emily: caltech's rana adhikari there. finally, back on earth, you can take to the skies in a brand-new way. private flights were once reserved for the rich and famous, but all you need is a smart phone to hitch a ride with one of these aviation startups. imagine you want to take a quick flight for business. instead of shuffling through security lines and navigating terminals to board a crowded commercial airline, you can instead opt for the private flight experience with the touch of an app. blackbird and jet sweet acts -- and jetsuitex are two startups are pushing a private flight industry forward. rudd: we think of ourselves in the same vein as the on-demand transportation companies like uber or lyft. we are a journey that goes farther. emily: blackbird is a small company that is focused on the 5200-mile journey. it recently announced a $10 million funding round. it is backed by enterprise associates. jonathan: aircraft is utilized for 1% to 2%, and it is a highly underutilized asset and it is an , expensive asset. when

to tell us more about this exciting new frontier we have a caltech professor and experimental physicist who joins us on the phone. you are hereed because i have been getting so many questions from my children about this blackhole. tell us why in particular this image is so exciting. think children have the best questions, so the reason that they are excited is the same reason i am excited. just aok at it and it is thing you would never see on earth. the laws of physics that are going on and making the kind of image are the kinds that you only hear about in harry potter novels or comic books. emily: here are some questions from my six-year-old son. where did it come from? where do black holes come from? rana: see this is what i am saying. these are the best questions. this is exactly what we talk about in astronomy conference. where do black holes come from ? and everyone has their own opinions. this is one of the observations that we think will help us figure this out. the only way to get a big blackhole is to put together a bunch of little things. and this thing is billions of times he