[Q&A+] Extracting Info from CMB, Second-Best Mars, Living Off Earth | Q&A 380

Which part of the Universe does the CMB come from? Is Mars the best planet for habitability of all ones we found so far? How important is it to find a way to live off Earth? And in Q&A+, did we extract everything we can from the CMB? Watch the video here (with no ads) or on YouTube: https://youtu.be/xQVT0F275i8