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NASA Images
by NASA/Solar & Heliospheric Observatory
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eye 149
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Super-fast erupting prominence and loops (Nov. 13-15, 1998)
Topic: What -- FAST
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/filaments.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 141
favorite 0
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Animation of how the Sun's magnetic field winds up and loops out.
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/animations.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 110
favorite 0
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Close-up of a fast erupting prominence - EIT 304? (Nov. 14, 1998)
Topic: What -- FAST
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/filaments.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 93
favorite 0
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Sungrazing comet plunging towards the Sun. LASCO C2. (Apr. 30, 1998)
Topic: What -- Sun
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/comets.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 89
favorite 0
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Animation of a CME leaving the Sun, slamming into our magnetosphere.
Topic: What -- Sun
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/animations.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 87
favorite 0
comment 0
Two sun-grazing comets racing towards the Sun (June 1/2, 1998)
Topics: What -- Sun, What -- COMETS
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/comets.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 74
favorite 0
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Two flares and several active regions, EIT 195 (Apr. 8-10, 2001)
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/filaments.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 72
favorite 0
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Two comets plunging into the solar corona (June 2, 1998)
Topic: What -- COMETS
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/comets.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 72
favorite 0
comment 0
SOHO's orbit around the Lagrangian L1 point and the Sun
Topic: What -- Sun
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/animations.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 72
favorite 0
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Erupting prominences (Mar. 30 - Apr. 6, 1998)
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/filaments.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 61
favorite 0
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Exclusive views of Comet 96P/Machholz swinging past the Sun
Topic: What -- Sun
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/comets.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 60
favorite 0
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Animation of solar wind impacting the magnetosphere and creating aurora
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/animations.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 56
favorite 0
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Four planets and the Pleiades. LASCO C3 (May 15, 2000)
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/comets.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 56
favorite 0
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The best stills of magnetic loops and prominences
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/filaments.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 55
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The 2003 Mercury Transit
Topic: What -- Mercury
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/comets.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 51
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A huge cloud of hydrogen surrounded Comet Hale-Bopp when it neared the Sun in the spring of 1997. Ultraviolet light, charted by the SWAN instrument on the SOHO spacecraft, revealed a cloud 100 million kilometres wide and diminishing in intensity outwards (contour lines). It far exceeded the great comet's visible tail (inset photograph). Although generated by a comet nucleus perhaps 40 kilometres in diameter, the hydrogen cloud was 70 times wider than the Sun itself (yellow circle to scale) and...
Topics: What -- Sun, What -- SOHO, What -- CONTOUR, What -- COMETS, What -- Earth, What -- Hubble Space...
Source: http://sohowww.nascom.nasa.gov/gallery/Particle/swa009.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 51
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Large erupting and twisting prominence, EIT 304A (Oct. 25, 2002)
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/filaments.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 49
favorite 0
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Filament eruption - EIT 195A (Jan. 22, 2004)
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/filaments.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 44
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*Captions:* * Blue (171 Angstroms) full disk image: The Sun's million degree atmosphere taken on Dec. 4 by STEREO's SECCHI/EUVI telescope. The close-up of the active region is cropped from the full disk image. * Blue (171 Angstroms): The Sun's million degree atmosphere taken on Dec. 4 by STEREO's SECCHI/EUVI telescope. Close-up of the active region cropped from the full disk image. * Orange (304 Angstroms) full disk: The orange image shows portions of the sun's atmosphere at 60,000 to 80,000 C...
Topics: What -- Sun, What -- STEREO, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/pickoftheweek/old/22dec2006/
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 43
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Several active regions and loops, EIT 195 (Nov. 3-9, 1998)
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/filaments.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 43
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Closeup of a spectacular erupting filament (Feb. 26-27, 2000)
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/filaments.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 42
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A rapidly expanding "solar quake" on the Sun's surface depicted here by the Michelson Doppler Imager (MDI). It immediately followed a solar flare on 1996 July 6 and spread out more than 100,000 km at the solar surface. Scientists have shown that solar flares produce seismic waves, and gigantic seismic quakes, in the Sun's interior. They have tracked these seismic waves and found that "sun-quakes" closely resemble earthquakes on our planet.
Topics: What -- Imager, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/images/quakes.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 42
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Dancing and erupting filaments, EIT 195? (Jan, 3, 1998)
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/filaments.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 41
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Comet Hyakutake
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/comets.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 38
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Observation of the shadow of Comet Hale-Bopp by SWAN. Although most of the hydrogen atoms in the Solar System blow in from interste llar space, comets are surrounded by large hydrogen clouds of their own. When co met Hale-Bopp flew near the Sun parading its long tail in 1997, SOHO was already in orbit. In SWAN observations the scientists have now spotted a remarkable fea ture - never before seen by astronomers - the elongated shadow, more than 150 mi es long, of a comet projected on the sky...
Topics: What -- COMETS, What -- Sun, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/images/hbshadow.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 36
favorite 0
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Christmas Comet (Dec. 22-28, 1996)
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/comets.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 36
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SOLAR FLARE LEAVES SUN QUAKING Scientists have shown for the first time that solar flares produce seismic waves in the Sun's interior that closely resemble those created by earthquakes on our planet. The researchers observed a flare-generated solar quake that contained about 40,000 times the energy released in the great earthquake that devastated San Francisco in 1906. The amount of energy released was enough to power the United States for 20 years at its current level of consumption, and was...
Topics: What -- Sun, What -- Imager, What -- SOHO, What -- Earth, What -- Beam, Where -- United Kingdom
Source: http://sohowww.nascom.nasa.gov/gallery/Helioseismology/mdi026.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 35
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Complex filament eruption - EIT 195A (Feb. 27 2000)
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/filaments.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 35
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Active regions and magnetic loops as recorded by EIT in the Fe IX/X 171Ôø_ line. The temperature of this material is about 1 million K in the lower corona.
Topic: What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/images/171loops.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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eye 35
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Spacecraft illustration -- SOHO was launched in December 1995 by an Atlas Centaur rocket and became operational in March 1996. SOHO weighs about two tons and with its solar panels extended stands about 25 feet across. It was launched in December, 1995. SOHO will continue operating well past the next solar maximum in 2001. (Image credit: Alex Lutkus)
Topics: What -- SOHO, What -- Atlas, What -- Centaur
Source: http://sohowww.nascom.nasa.gov/gallery/Spacecraft/SOHOLower1.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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eye 35
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Views of the spacecraft: -Various SOHO images from the time that ESA engineers were building the spacecraft. Besides the work performed at Matra Marconi facilities, the SOHO spacecraft was prepared for launch at the SAEF-2 facility of the Kennedy Space Center before being fueled and encapsulated on top of the Atlas-Centaur AC-121 on pad 36B.
Topics: What -- SOHO, What -- Atlas, What -- Centaur, Where -- Kennedy Space Center (KSC)
Source: http://sohowww.nascom.nasa.gov/gallery/Spacecraft/soho_photo16.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 34
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An unprecedented chart shows the true direction and apparent speed of a breeze of atoms, mainly hydrogen, that comes from the stars and blows right through the Solar System. In the solar spacecraft SOHO, built by the European Space Agency, the SWAN instrument detects a characteristic ultraviolet glow filling the sky, coming from the hydrogen atoms. Small shifts in the ultraviolet wavelength reveal the speed of the breeze. On a map of the whole sky, the windspeed is shown in relation to the...
Topics: What -- Sun, What -- Constellation, What -- Earth, What -- SOHO, Where -- Paris, Where -- Helsinki
Source: http://sohowww.nascom.nasa.gov/gallery/Particle/swa010.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 34
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Solar rotation and polar flows of the Sun as deduced from measurements by MDI. The cutaway reveals rotation speed inside the Sun. The left side of the image represents the difference in rotation speed between various areas on the Sun. Red-yellow is faster than average and blue is slower than average. The light orange bands are zones that are moving slightly faster than their surroundings. The new SOHO observations indicate that these extend down approximately 20,000 km into the Sun. Sunspots,...
Topics: What -- Polar, What -- Sun, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/images/cutaway.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 34
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Views of the spacecraft: -Various SOHO images from the time that ESA engineers were building the spacecraft. Besides the work performed at Matra Marconi facilities, the SOHO spacecraft was prepared for launch at the SAEF-2 facility of the Kennedy Space Center before being fueled and encapsulated on top of the Atlas-Centaur AC-121 on pad 36B.
Topics: What -- SOHO, What -- Atlas, What -- Centaur, Where -- Kennedy Space Center (KSC)
Source: http://sohowww.nascom.nasa.gov/gallery/Spacecraft/soho_photo15.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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eye 33
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Interior Solar Cutaway and Mode Diagram This sketch illustrates how sound waves propagate through the Sun's interior. Only waves with specific combinations of period and horizontal wavelength resonated within the Sun. The precise combinations are related to the Sun's interior structure; they produce the bright, fine-tuned "ridges" of greater power shown in the l-nu (period versus wavelength) diagram at the right. Measurements of the Sun's oscillations provide a window into the...
Topics: What -- Sun, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/Helioseismology/mdi004.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 33
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LASCO C2 image of the solar corona on 23 December 1996 at 04:44 UT showing the inner streamer belt along the Sun's equator, where the low latitude solar wind originates and is accelerated. Over the polar regions, one sees the polar plumes all the way out to the edge of the field of view. The field of view of this coronagraph encompasses 8.4 million kilometers (5.25 million miles) of the inner heliosphere. The frame was selected to show Comet SOHO-6, one of seven sungrazers discovered so far by...
Topics: What -- Polar, What -- SOHO, What -- Sun
Source: http://sohowww.nascom.nasa.gov/gallery/SolarCorona/las013.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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eye 33
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Image of the solar corona as recorded by the outer LASCO coragraph (C3) on 23 December 1996. The field of view of this instrument encompasses 32 diameters of the Sun. To put this in perspective, the diameter of the images is 45 million kilometers (28 million miles) at the distance of the Sun, or half of the diameter of the orbit of Mercury. The Sun is located in the constellation Sagittarius. The center of the Milky Way is visible, as well as the dark interstellar dust rift, which stretches...
Topics: What -- Sun, What -- Mercury, What -- Constellation, What -- Sagittarius, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/SolarCorona/las014.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 33
favorite 0
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Views of the spacecraft: -Various SOHO images from the time that ESA engineers were building the spacecraft. Besides the work performed at Matra Marconi facilities, the SOHO spacecraft was prepared for launch at the SAEF-2 facility of the Kennedy Space Center before being fueled and encapsulated on top of the Atlas-Centaur AC-121 on pad 36B.
Topics: What -- SOHO, What -- Atlas, What -- Centaur, Where -- Kennedy Space Center (KSC)
Source: http://sohowww.nascom.nasa.gov/gallery/Spacecraft/soho_photo10.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 33
favorite 0
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Views of the spacecraft: -Various SOHO images from the time that ESA engineers were building the spacecraft. Besides the work performed at Matra Marconi facilities, the SOHO spacecraft was prepared for launch at the SAEF-2 facility of the Kennedy Space Center before being fueled and encapsulated on top of the Atlas-Centaur AC-121 on pad 36B.
Topics: What -- SOHO, What -- Atlas, What -- Centaur, Where -- Kennedy Space Center (KSC)
Source: http://sohowww.nascom.nasa.gov/gallery/Spacecraft/soho_photo12.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 33
favorite 0
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Views of the spacecraft: -Various SOHO images from the time that ESA engineers were building the spacecraft. Besides the work performed at Matra Marconi facilities, the SOHO spacecraft was prepared for launch at the SAEF-2 facility of the Kennedy Space Center before being fueled and encapsulated on top of the Atlas-Centaur AC-121 on pad 36B.
Topics: What -- SOHO, What -- Atlas, What -- Centaur, Where -- Kennedy Space Center (KSC)
Source: http://sohowww.nascom.nasa.gov/gallery/Spacecraft/soho_photo11.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 32
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CME's and planet transit - LASCO C2 (Mar. 20 - Apr. 10, 1999)
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/comets.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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eye 32
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SOURCES OF THE SOLAR WIND? --- "Plumes" of outward flowing, hot gas in the Sun's atmosphere may be one source of the solar "wind" of charged particles. These images, taken March 7, 1996, by the Solar and Heliospheric Observatory (SOHO), show (top) magnetic fields on the sun's surface near the south solar pole; (middle) an ultraviolet image of the 1 million degree plumes from the same region; and (bottom) an ultraviolet image of the "quiet" solar atmosphere closer...
Topics: What -- Extreme Ultraviolet Imaging Telescope, What -- Opportunity, What -- Polar, What -- SOHO,...
Source: http://sohowww.nascom.nasa.gov/gallery/SolarCorona/eit017.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 32
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Large twisting prominence, EIT 304A. (Oct. 25, 2002)
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/filaments.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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eye 32
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Planetary Alignment. LASCO C3 image showing Jupiter, Saturn, Mercury, and Venus simultaneously on May 15, 2000.
Topics: What -- Venus, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/images/las001.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 31
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Views of the spacecraft: -Various SOHO images from the time that ESA engineers were building the spacecraft. Besides the work performed at Matra Marconi facilities, the SOHO spacecraft was prepared for launch at the SAEF-2 facility of the Kennedy Space Center before being fueled and encapsulated on top of the Atlas-Centaur AC-121 on pad 36B.
Topics: What -- SOHO, What -- Atlas, What -- Centaur, Where -- Kennedy Space Center (KSC)
Source: http://sohowww.nascom.nasa.gov/gallery/Spacecraft/soho_photo13.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 31
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Views of the spacecraft: -Various SOHO images from the time that ESA engineers were building the spacecraft. Besides the work performed at Matra Marconi facilities, the SOHO spacecraft was prepared for launch at the SAEF-2 facility of the Kennedy Space Center before being fueled and encapsulated on top of the Atlas-Centaur AC-121 on pad 36B.
Topics: What -- SOHO, What -- Atlas, What -- Centaur, Where -- Kennedy Space Center (KSC)
Source: http://sohowww.nascom.nasa.gov/gallery/Spacecraft/soho_photo1.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 31
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Concentric layers in a cutaway image show oddities in the speed of sound in the deep interior of the Sun, as gauged by two instruments on the SOHO spacecraft. MDI/SOI measures vertical motions due to sound waves reverberating through the Sun, at a million points on the visible surface. VIRGO detects the solar oscillations by rhythmic variations in the Sun's brightness. From long-lasting observations by these instruments, scientists deduce information about the Sun's interior precise enough to...
Topics: What -- SOHO, What -- Virgo, What -- Sun, What -- Earth
Source: http://sohowww.nascom.nasa.gov/gallery/Helioseismology/mdi010.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 30
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LASCO C3 image of the large coronal mass ejection (CME) of 6 May 1998.
Topic: What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/SolarCorona/las022.html
NASA Images
by NASA/Solar & Heliospheric Observatory
movies
eye 30
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Comet Neat (Feb.16-20, 2003)
Source: http://sohowww.nascom.nasa.gov/gallery/Movies/comets.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 30
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Using STEREO (Ahead) spacecraft's highest resolution frames (2048àö__2048 pixels per frame), we can zoom in a lot on areas of interest and still maintain good visual acuity. Over 34 hours (June 29-30, 2007), we zoom in on a pair of active regions and observe numerous instances of flaring activity, especially from the lead one of the two. These were low intensity flares. With frames taken every 10 minutes (and paced here at six frames a second), the motion is not jumpy or freeze-framed. It...
Topics: What -- STEREO, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/pickoftheweek/old/05jul2007/
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 30
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Views of the spacecraft: -Various SOHO images from the time that ESA engineers were building the spacecraft. Besides the work performed at Matra Marconi facilities, the SOHO spacecraft was prepared for launch at the SAEF-2 facility of the Kennedy Space Center before being fueled and encapsulated on top of the Atlas-Centaur AC-121 on pad 36B.
Topics: What -- SOHO, What -- Atlas, What -- Centaur, Where -- Kennedy Space Center (KSC)
Source: http://sohowww.nascom.nasa.gov/gallery/Spacecraft/soho_photo4.html
NASA Images
by NASA/Solar & Heliospheric Observatory
image
eye 30
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Spacecraft illustration -- SOHO was launched in December 1995 by an Atlas Centaur rocket and became operational in March 1996. SOHO weighs about two tons and with its solar panels extended stands about 25 feet across. It was launched in December, 1995. SOHO will continue operating well past the next solar maximum in 2001. (Image credit: Alex Lutkus)
Topics: What -- SOHO, What -- Atlas, What -- Centaur
Source: http://sohowww.nascom.nasa.gov/gallery/Spacecraft/SOHOUpper.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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eye 30
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The very bright object in the upper left edge of our LASCO coronagraph image is comet C/2006 P1 (Comet McNaught). It was discovered on August 7th, 2006 by the hugely successful comet discoverer Rob McNaught. Then the comet was a very faint object, but it brightened considerably as it approached the Sun - to within just 0.17 astronomical units (the average distance between the Earth and Sun is about 150 million kilometers). As seen here (January 12, 2007) it is probably at its brightest because...
Topics: What -- Sun, What -- Earth, What -- SOHO, What -- COMETS, What -- Imager, What -- Mercury, Where --...
Source: http://sohowww.nascom.nasa.gov/pickoftheweek/old/12jan2007/
NASA Images
by NASA/Solar & Heliospheric Observatory
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eye 29
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Comet Hale-Bopp observed by SOHO/SWAN on April 3, 1997. SOHO looks at a comet's shadow in space Depicted here is a series of three images of Comet Hale-Bopp's shadow taken by SOHO's SWAN instrument between 25 February, 1997 and 8 March, 1997. The blue-white monochrome images show a portion of the sky illuminated by the Sun's ultraviolet light. The Sun is shown as a round dot at the bottom. The bright white glow at the centre is a 150-million-kilometre-wide hydrogen cloud released by Hale-Bopp's...
Topics: What -- SOHO, What -- COMETS, What -- Sun
Source: http://sohowww.nascom.nasa.gov/gallery/Particle/swa011.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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eye 29
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One of the STEREO spacecraft (Behind) observed an elongated loop that emerges and then disperses over a two-day period (September 22-23, 2007). This immense structure is generated by magnetic forces rooted inside the Sun. Observed in the 304 Angstrom wavelength of extreme ultraviolet light, it rises up, takes shape, hovers, then gradually and gracefully breaks away from the magnetic forces that held it in place. Its complex twisting and writhing show the complexities of the Sun's magnetic field...
Topics: What -- STEREO, What -- Sun, What -- Earth, What -- Moon, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/pickoftheweek/old/28sep2007/
NASA Images
by NASA/Solar & Heliospheric Observatory
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LASCO C3 image of the large coronal mass ejection (CME) of 29 March 1998.
Topic: What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/SolarCorona/las020.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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eye 29
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Radial and latitudinal variations of the sound speed in the Sun as derived from MDI measurements. Red = hotter regions than in standard model, blue = cooler regions. Concentric layers in a cutaway image show oddities in the speed of sound in the deep interior of the Sun, as gauged by two instruments. MDI measures vertical motions due to sound waves reverberating through the Sun, at a million points on the visible surface. VIRGO detects the solar oscillations by rhythmic variations in the Sun's...
Topics: What -- Sun, What -- Virgo, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/images/mdi025.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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eye 29
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VARIATIONS IN SOLAR MOTION IMAGE: This image is taken using the Michelson Doppler Imager (MDI) instrument on the NASA/ESA Solar and Heliospheric Observatory (SOHO) spacecraft. It is a result of computations using observations taken continuously from May 1996 to May 1997. This false color image represents the difference in speeds between various areas on the Sun, both at the surface and in the interior. Red - yellow is faster than average and blue is slower than average. On the left side of the...
Topics: What -- Imager, What -- SOHO, What -- Sun, What -- Polar
Source: http://sohowww.nascom.nasa.gov/gallery/Helioseismology/mdi024.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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First Map of Subsurface Flows in the Sun's Convection Zone This map provides the first view of an important part of the Sun's interior, the region call the convection zone. The convection zone lies directly beneath the photosphere, which forms the Sun's visible surface and effectively hides what is below. As a result, very little is known about the convection zone's internal structure, despite the fact that it is the source of sunspots, solar flares and most other forms of solar activity that...
Topics: What -- Earth, What -- Imager, What -- SOHO, What -- Sun, Where -- Goddard Space Flight Center...
Source: http://sohowww.nascom.nasa.gov/gallery/Helioseismology/mdi009.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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Views of the spacecraft: -Various SOHO images from the time that ESA engineers were building the spacecraft. Besides the work performed at Matra Marconi facilities, the SOHO spacecraft was prepared for launch at the SAEF-2 facility of the Kennedy Space Center before being fueled and encapsulated on top of the Atlas-Centaur AC-121 on pad 36B.
Topics: What -- SOHO, What -- Atlas, What -- Centaur, Where -- Kennedy Space Center (KSC)
Source: http://sohowww.nascom.nasa.gov/gallery/Spacecraft/soho_photo14.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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Double prominences -- Two large solar prominences in extreme ultraviolet light (ionized helium at 304) roughly the same size but quite different in structure appeared on the Sun on 18 March 2003. The observation of two large prominences in one image makes this one of the most spectacular images that SOHO has captured. Prominences are large clouds of relatively cool, dense plasma suspended in the Sun's hot, tenuous corona. Magnetic fields built up enormous forces that propelled particles out...
Topics: What -- Sun, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/images/twinprom.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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Views of the spacecraft: -Various SOHO images from the time that ESA engineers were building the spacecraft. Besides the work performed at Matra Marconi facilities, the SOHO spacecraft was prepared for launch at the SAEF-2 facility of the Kennedy Space Center before being fueled and encapsulated on top of the Atlas-Centaur AC-121 on pad 36B.
Topics: What -- SOHO, What -- Atlas, What -- Centaur, Where -- Kennedy Space Center (KSC)
Source: http://sohowww.nascom.nasa.gov/gallery/Spacecraft/soho_photo8.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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POLAR FLOWS IMAGE: This image is a graphical representation of the surface flow from the equator to the poles of the Sun. The flow lines overlay an image of the rotation speed at the Sun?s surface, taken using the Michelson Doppler Imager (MDI) instrument on the NASA/ESA Solar and Heliospheric Observatory (SOHO) spacecraft over a period of 12 months ending June 1997. The false colors represent speed; red material is rotating faster than the blue material. As this material rotates, it is also...
Topics: What -- Polar, What -- Sun, What -- Imager, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/Helioseismology/mdi023.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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One of the STEREO spacecraft (Ahead) caught an enourmous wave as it rippled across the most of the Sun (Dec. 7, 2007). While the visual effect is subtle when observed in at extreme UV wavelengths, (especially in any still image) there is nothing subtle about the roughly 500,000 miles it traverses at a speed of 500-1500 km/s in a just few hours or the amount of energy it carries. This event was likely triggered by a small flare and CME from Active Region 977. Scientists believe this is the most...
Topics: What -- STEREO, What -- Sun, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/pickoftheweek/old/14dec2007/
NASA Images
by NASA/Solar & Heliospheric Observatory
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SOLAR ROTATION RATE WITH DEPTH IMAGE: This image, taken using the Michelson Doppler Imager (MDI) instrument on board the NASA/ESA Solar and Heliospheric Observatory (SOHO) spacecraft, shows differences in the speed of rotation of material in the Sun. This image is made from continuous observations over a period of twelve months beginning in May 1996. The false colors represent speed; red material is rotating the fastest, dark blue, the slowest. The left side of the figure is rotation speed at...
Topics: What -- Imager, What -- SOHO, What -- Sun, What -- FAST
Source: http://sohowww.nascom.nasa.gov/gallery/Helioseismology/mdi022.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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Huge magnetic loops extending tens of thousands of km into space trapping hot gases inside them. We have seen such loop systems develop into extremely complex so-called 'active regions' where loops clash and twist like elastic bands before some kind of break down results in the ejection of clouds or streams of particles into space. The images show CDS' unique ability to map such regions. The coolest gases (20,000 degrees) are shown in the top left image, and the hottest (2 million degrees) in...
Topics: What -- Sun, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/SolarCorona/cds027.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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LASCO C2 image of coronal streamers and a filament eruption taken on 21 August 96. In this picture of the normal K-corona (or electron corona, seen by the eye at eclipses), we see bright streamers on the east (left) limb, which are extensions of the faint, stream-like features seen in the C1 images. On the west (right) limb, the equatorial 'streamer,' quite usual at this time in the sunspot cycle, has brightened suddenly, with outward-gushing plasma, while above the horizontal streamer, a...
Topic: What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/images/lasco007.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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SURFING THE SOLAR WIND - The outermost solar atmosphere, or corona, is normally visible only during a solar eclipse. New observations of particles ``surfing'' on waves in the corona have shed light on an ongoing mystery of why the solar wind flows as fast as it does. Charged particles in the solar wind spiral around lines of magnetic force, and these lines oscillate back and forth to create outward-propagating waves. When the particles' spiraling frequencies match the wave frequencies, the...
Topics: What -- FAST, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/SolarCorona/uvc011.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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SWAN Lyman?alpha full sky reduction factor (in ecliptic coordinates).
Topic: What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/Particle/swa002.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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Views of the spacecraft: -Various SOHO images from the time that ESA engineers were building the spacecraft. Besides the work performed at Matra Marconi facilities, the SOHO spacecraft was prepared for launch at the SAEF-2 facility of the Kennedy Space Center before being fueled and encapsulated on top of the Atlas-Centaur AC-121 on pad 36B.
Topics: What -- SOHO, What -- Atlas, What -- Centaur, Where -- Kennedy Space Center (KSC)
Source: http://sohowww.nascom.nasa.gov/gallery/Spacecraft/soho_photo9.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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Views of the spacecraft: -Various SOHO images from the time that ESA engineers were building the spacecraft. Besides the work performed at Matra Marconi facilities, the SOHO spacecraft was prepared for launch at the SAEF-2 facility of the Kennedy Space Center before being fueled and encapsulated on top of the Atlas-Centaur AC-121 on pad 36B.
Topics: What -- SOHO, What -- Atlas, What -- Centaur, Where -- Kennedy Space Center (KSC)
Source: http://sohowww.nascom.nasa.gov/gallery/Spacecraft/soho_photo2.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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MDI Sunspot size winner -- Active region 10486 became the largest sunspot seen by SOHO, It unleashed a spectacular show on 28 October 2003. An X 17.2 flare, the second largest flare observed by SOHO and the third largest ever recorded, blasted off a strong high energy proton event and a fast-moving Coronal Mass Ejection. The spot occupied an area equal to about 15 Earths, a size not seen since 1989. It later fired off the largest X-ray flare recorded, on 4 November 2003.
Topics: What -- SOHO, What -- FAST
Source: http://sohowww.nascom.nasa.gov/gallery/images/mdi20031028.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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Anatomy of a Coronal Hole The south pole of the Sun seen in the light of several ultraviolet spectral lines formed at different temperatures Raster scan images simultaneously obtained in July 1996 by the telescope and spectrometer SUMER (Solar Ultraviolet Measurements of Emitted Radiation) onboard the ESA/NASA Solar and Heliospheric Observatory (SOHO). SUMER was developed at the Max-Planck-Institut f?r Aeronomie (MPAE) as part of an international cooperation. It was financially supported by...
Topics: What -- Sun, What -- Spectrometer, What -- SOHO, What -- Planck
Source: http://sohowww.nascom.nasa.gov/gallery/SolarCorona/sum020.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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Solar Wind and the Earth's Protective Magnetic Shield Illustration of solar wind heading into space and impacting Earth's protective magnetic shield, its magnetosphere. The particles are seen heading out in all directions, but with some of them hitting our magnetosphere. Earth's magnetic field lines are shown in concentric purple ovals, pushed on by pressure from the Sun and elongated on the side facing sway from the Sun. If the solar wind is particularly strong or if a solar storm impacts us,...
Topics: What -- Sun, What -- Earth, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/Particle/solwind.html
NASA Images
by NASA/Solar & Heliospheric Observatory
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Ratio of EIT full Sun images in Fe XII 195A to Fe IX/X 171A as recorded on 19 September 1997 at 01:00 UT. This line ratio gives an indication of the temperature distribution in the Sun's corona with dark areas being cooler regions and bright areas being hotter. Note the distinctive temperature differences in the numerous magnetic loops and the hot extended regions in the outer corona at both the West and East limb. The coronal holes at the North and South pole clearly show up as...
Topics: What -- Sun, What -- SOHO
Source: http://sohowww.nascom.nasa.gov/gallery/SolarCorona/eit030.html