[Q&A+] Hardest Lagrange Point, Voyagers' Realistic Lifetime, Goals for Telescopes

Can we find a use for the L3 Lagrange point? How long do the Voyagers have left? Which goals do we have for telescopes that are being built? And in Q&A+, arguably the most important technology we can focus on? BONUS QUESTION STARTS AT 17:07 Watch the video here (with no ads) or on YouTube: https://youtu.be/59zez1t-Xo8 Here's a link to the full, unedited livestream: https://youtube.com/live/gENBle2AVDk