18-01-2020
Biology

contestada

Describe the path of two parallel light beams in a flat universe

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williams12RBT williams12RBT

20-01-2020

Answer:

Explanation:

The Universe is defined to be the sum total of everything that we know about: stars, galaxies, clusters, superclusters, voids, etc.

Cosmology is the study of the structure and evolution of the universe

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