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What makes dark matter "dark"? Please provide references as well.
Subject:
Astronomy
Topic:
General Astronomy
Posting ID:
40205
OTA ID:
103139
Why is the universe believed to be expanding? Please provide references as well.
Subject:
Astronomy
Topic:
General Astronomy
Posting ID:
40206
OTA ID:
103642
1. Are the stars uniformly distributed in space? Please include references to support answer.
Subject:
Astronomy
Topic:
General Astronomy
Posting ID:
40628
OTA ID:
103846
What kinds of evidence supports the belief that molecules of various kinds, including some complex ones, exist in space? Please include references to support answer.
Subject:
Astronomy
Topic:
General Astronomy
Posting ID:
40629
OTA ID:
103846
Why do galaxies collide if they were all ejected from a point at a constant speed? Please include references to support the answer.
Subject:
Astronomy
Topic:
General Astronomy
Posting ID:
40631
OTA ID:
103139
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