Which is one of Edwin Hubble's findings that supports the big bang theory? O The universe started at a central point.
O Planetesimals formed in debris disks.
O Visible matter only makes up about 5% of the universe.
O The Milky Way is the only galaxy in the universe.

Option A, The universe started at a central point, is the right answer.

Explanation:

Edwin Powell Hubble was an astronomer from America. He has played a very significant role in setting up the fields of extragalactic astronomy and observational cosmology. He has been credited with the founding of the Big Bang Theory. He made an observation about the Universe and explained that the Universe is continuously expanding. His finding supported that the Universe had a central starting point, almost all galaxies are moving away from us and that galaxies that are far from us move away faster.

the answer

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