[Q&A+] Orbital VS Surface Lunar Bases

BONUS QUESTION STARTS AT 15:16Watch the video here (with no ads) or on YouTube: https://youtu.be/VFtMBTalNMgHow hard is it to keep rocket fuel in space? Which is better, a Moon mission on the surface or in orbit? How would a space station look like in a binary planet system? And in Q&A+, could we launch a probe into a black hole?00:00 Intro 00:24 [@geohondo] Is it problematic to keep rocket fuel in space for extended time? 07:09 [@drewd2] Would a lunar base be more effective for reducing the cost of space exploration? 09:32 [@vistotutti6037] Are we capable of launching Voyager class probes out of our solar system today? 12:21 [@thelightrunner2612] Would a large space station at the barycentre of binary planets work? 15:16 [@JohnnyApplleseed] What could we learn from launching a probe into a black hole? 17:14 Science VS Religion