The answer, obviously, is really, really fast. Here, Universe Today‘s Fraser Cain tells us exactly how fast, and gives us answers to a few other things you may have wondered about before. For instance ...
WASHINGTON — Wednesday will be slightly shorter than usual, but you probably won't notice the difference even if you're watching the clock closely. Earth is expected to complete a full rotation on ...
Weirdly, spaceships have no direct way to gauge their own speed. Luckily, we can use some physics tricks to figure it out.
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