[Q&A+] How Does A Telescope Made of 5000 Robots Work?

BONUS QUESTION STARTS AT 15:48 Watch the video here (with no ads) or on YouTube: https://youtu.be/90S24jYGtd4 Latest Patreon Q&A show: https://www.patreon.com/posts/156265102/ What did we really find on Mars? Could we find actual fossils there? How was the most detailed 3D-map of the Universe made? And in Q&A+, what's the deal with Iapetus and its huge ridge? Q&A 00:00 Intro 00:22 [@HanSolo__] Did we find marks of past primitive life on Mars? 05:15 [@geohondo] Could we find an actual skeletal fossil on mars? 07:18 [@louisnelsonsmith] How DESI works 15:48 [@TheGoldishFish] Why does Saturn moon Iapetus have that huge equatorial ridge? 18:03 The Q&A format