With billions upon billions of stars out there and probably at least as many planets, it seems almost silly to think there isn’t life somewhere else. Where are all our ET friends (or overlords)?
- Professor and Chair of Physics and Astronomy, Vanderbilt University
There’s a cosmic speed limit that unfortunately means you aren’t going to be firing up warp drive anytime soon.
Einstein’s theory of gravity says dark energy must be out there, accelerating the expansion of our universe. But what is it and how can we try to figure out more about it?
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- Location: Nashville, TN, USA
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