There have been many changes in ideas about space
Our ideas about our solar system have changed over time.
People used to think we were the center of the universe.
But some scientists figured out we weren't the center of the universe.
Galileo proved we weren’t the center of the universe. Also Galileo built the first
astronomical telescope which he could use to study our solar system. He showed us we move around
the sun. We now know all the planets move around the sun.
astronomical telescope which he could use to study our solar system. He showed us we move around
the sun. We now know all the planets move around the sun.
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