What have astronomers detected that is related to the cooling and expansion of the universe?
A...
Biology, 04.05.2020 22:52 mucciak8356
What have astronomers detected that is related to the cooling and expansion of the universe?
A. colliding galaxies
B. lots of distant white dwarfs
C. the Cosmic Microwave Background Radiation
D. a supermassive black hole in the center of our galaxy
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