Seen through a traditional optical telescope, the space between stars and galaxies is pitch black. but, with a radio telescope, we detect a faint background glow, almost exactly the same in all directions, that is not associated with any star, galaxy, or other object. this phenomenon, which provides evidence for the big bang theory, is called the a) redshift. b) singularity. c) universal field theory. d) cosmic microwave background.
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Seen through a traditional optical telescope, the space between stars and galaxies is pitch black. b...
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