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The Cosmic Microwave Background
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Astronomy
AST.246 The Cosmic Microwave Background
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Which statement correctly describes the CMB today?
A
It is redshifted relic radiation from the early universe.
B
It is a shadow cast by the Milky Way.
C
It is the glow from Earth's oceans at night.
D
It is fresh light produced by the first astronauts.
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