The solar system is the planetary system in which the Earth and other astronomical objects are found that rotate directly or indirectly in an orbit around a single star known as the Sun. ... The solar system was formed about 4.6 billion years ago from the collapse of a molecular cloud.
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Name: Edwin Hubble. Date of birth: November 20, 1889 Main thought: Tycho thought that progress in astronomy could not be achieved throug...
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