How many stars we see are already gone?
August 18, 2012 12:34 AM Subscribe
How many of the stars whose light we see at night are actually already dead/gone/disintegrated?
(Typical-kid's-question-to-which-you-find-you-don't-know-the-answer-Filter.) Considering only the ones visible to the naked eye, on a beautiful starry night in the countryside, my wild guess was about a third. How off was I?