Neil DeGrasse Tyson

Neil DeGrasse Tyson

7 months ago
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So the planets, when they orbit their star, will sometimes get pulled in from the star's gravity.

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Think about this: when Galileo first pointed his telescope at Jupiter in 1610, he saw these dots - moons! Moving around it. That single observation changed everything we thought about the universe. The Earth wasn't the center anymore. Mind-blowing, right?