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How do scientists know that the universe is expanding? (Points : 3) The galaxies are moving away from each other, and the temperatures are decreasing. The galaxies are moving away from each other, and the temperatures are increasing. The galaxies are moving toward each other, and the temperatures are increasing. The galaxies are moving toward each other, and the temperatures are decreasing.
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Asked 4/25/2012 4:52:08 PM
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User: How do scientists know that the universe is expanding? (Points : 3) The galaxies are moving away from each other, and the temperatures are decreasing. The galaxies are moving away from each other, and the temperatures are increasing. The galaxies are moving toward each other, and the temperatures are increasing. The galaxies are moving toward each other, and the temperatures are decreasing.

Weegy: ... each other and decreasing when ... and galaxies shows a strong Doppler shift to the red, indicating that the universe is rapidly expanding. ... is moving away from the other. ...


User: During which season and at what latitude does the sun not set? (Points : 3) winter and greater than 66oN fall and 23oN spring and 0oN summer and greater than 66oN

Weegy: The sun does not set during summer and greater than 66oN (66 degrees North).
Expert answered|vchutkan|Points 5085|

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