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Galaxies in the Early Universe

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1) How do we explain that galaxies in the "early Universe" were smaller and relatively more abundant than their modern counterparts?

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Solution Summary

The expert examines the galaxies in the early universe. The modern counterparts are analyzed.

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It is believed that because today we can see many dwarf galaxies, but very few of these are bright galaxies, that this is evidence for galaxies building up from small pieces-merging together. ...

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