In this week's questions show, I answer what will bring geostationary satellites back to Earth, if you could use the heat on Venus to power a rover, why are we so arrogant to believe that life formed only here on Earth, and more. 01:38 How long will geostatationary satellites survive? 04:31 Could you use the heat on Venus to power a rover? 05:50 Arrogant to think Earth is unique with life07:33 What kinds of rocks are on Mars? I gather a bunch up each week, and answer them here.