Voyager 1 just left the solar system. I know we're unable to control trajectory at this point, but I'm curious what the next body it will encounter will be, and when, on its present course.
posted by radiosilents on Mar 20, 2013 - 11 answers

A world with binary suns and multiple satellites that can still be livable by a diverse (even lush) assortment of life forms - true or not? [more inside]
posted by batmonkey on Nov 30, 2012 - 11 answers

If all non-solar-system stars ceased to exist, how would things look different to us on earth? Would anything change? [more inside]
posted by juniperesque on May 15, 2012 - 16 answers

Historians of science and/or religion: My cousin wants to know "when various Protestant denominations began to accept the Copernican model of the solar system. ... Was there any particular denomination that was in the vanguard on that? What about Jews?"
posted by scratch on Apr 29, 2010 - 7 answers

Please help me fact-check the following claims about the solar system. [more inside]
posted by spaghettification on Feb 16, 2010 - 37 answers

What is this faintly-remembered book, if not "Diary of a Spaceperson"? It was a book of illustrations of a future tourist trip of the great sights of the (fanciful future) solar system. Like "Diary", it was similar to the Terran Trade Authority books. More clues inside... [more inside]
posted by -harlequin- on Jan 25, 2010 - 3 answers

What are some of the best non-fiction books out there written by legitimate scientific authors (not psuedo-science) that discuss other galaxies, and specifically, solar/planetary systems outside of our own solar system? [more inside]
posted by jspierre on Jul 24, 2007 - 12 answers

Given our current state of technology and the world's nuclear armaments, I ask the question that the world needs an answer to: Could we destroy Mars? [more inside]
posted by TwelveTwo on Dec 24, 2005 - 41 answers