Episode 479
QA 75: Have We Already Infected Mars with Bacteria? And More...
January 15th, 2019
25 mins 23 secs
About this Episode
In this week's questions show, I wonder if we've already infected Mars with our Earth life, why we assume aliens build Dyson Spheres, and if you could link up 5 Hubble telescopes together.
Support Universe Today podcasts with Fraser Cain