Darkout - The Moon and Mars

Darkout - The Moon and Mars. Volume 3 in series. The miners on the Moon have supply, but no demand. the colony on Mars is suddenly no longer a project with earth as a safety net, it is the future, presuming they can make it through the present. As for those who have ventured beyond the edges of the universe, it is questionable the return trip will be worth it. What do you do with all those solar collector panels when the sun goes out?