Emma writes some great science posts, this one on orbits is really good though and I had to reblog it.
I hope you guys enjoy it as much as I did.
Simon š
Since Aristotleās time over 2000 years ago, we have accepted that the moon orbits the Earth. We didnāt always know why, and we didnāt always accept this for the right reasons.
We used to assume that it happened just because we saw the moon move across the sky, and we believed the Earth to be the center of all motion in the solar system. But even when we realizedāin the 1540s CEāthat the sun was in fact the center of the solar system, the moon kept its place around the Earth.
And rightfully so. Astronomers now know that the moon orbits the Earth based on scientific observation, rather than the ālogicalā guesses of Aristotleās time. And we even know why it orbitsāgravity, the one force in all the universe we canāt escape.
But I can tell you, the moonās orbit isnāt a perfect circle, and if gravity wereā¦
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Thanks for sharing and I’ll check it out
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I thought you might like it. āŗļø
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