At eleven o'clock.
astronomers.
Astronomers Believe That The Solar System Began As A Huge Cloud Of Dust And A Gas Called ''NEBULA''
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Astronomers.
Astronomers
Astronomers
People thought the earth was in the center of the solar system
astronomers
Many astronomers, historians, regular people, and scientisis know about the planets in our Solar system.
Mainly astronomers. But cosmologists and astrophysicists will also be interested in outer space.
astronomers
Our solar system is thought by astronomers to be about four and a half billion years old.