we learned about kepler 452b, nutley discovered plan thaet looks an awful lot like the earth. and we celebrated the anniversary of the moon landing which happened 46 years ago. given all the news this week we decided to talk to two men who are currently in orbit on the international space station, astronaut captain scott kelly and cosmonaut mikhail kornienko. i began by asking captain kelly about the rise of private companies in the space race. take a listen to what he said. >> i think our space program is a continuously evolving thing. and you know, whereas some of these companies like boeing and spacex that'll build these first two commercial vehicles are commercial companies, likewise rockwell that built the space shuttle was a commercial company and we're just managing it a little bit differently. and by doing this, you know, having a different level of management and oversight, you know, hopefully we'll reduce costs for flying humans into low earth orbit, which will, you know, also hopefully allow nasa to explore further, you know, with the goal of eventually going to mar