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Pale Blue Dot: The iconic Valentine's Day photo of Earth turns 35 today — and you're probably in it
On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...
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Scientific Revolution
universe with a moveable Earth. Further discoveries by Johannes Kepler (1571-1630) confirmed the second of these hypotheses, and added two other discoveries: 1) planetary orbits in the shape of ...