Physicist Sean Carroll explains how physics, astronomy, philosophy, and classics all help us understand the expanding ...
You might think galaxies can’t ever find each other in our runaway cosmos, but it turns out gravity can sometimes overcome ...
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How will the universe end?
This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Whether the universe will "end" at all is not certain ...
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