[Q&A+] Eliminating Night Darkness, Voyagers' Lifetime, JWST's Planets

BONUS QUESTION STARTS AT 15:57 Watch the video here (with no ads) or on YouTube: https://youtu.be/1rUTV39wcwM Can we eliminate darkness at night with an orbital reflector? How long do the Voyagers have left? Why didn't JWST inspect some of the potential ocean worlds? And in Q&A+, could we see the Great Attractor unobscured? 00:00 Start 00:26 [@Asmo-RL] Why are Mars and Venus un the habitable zone though clearly uninhabited? 03:52 [@GigaSigma1] Can we put a reflector in orbit to eliminate darknes