All Questions
5
questions
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1
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Event after big bang that cause dark matter [closed]
When the universe was formed by the Big Bang, what was the event that made some matter visible to us, while some became dark matter?
-3
votes
2
answers
267
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Does anyone really know how dark energy/matter works?
If dark energy has no physical interaction with normal matter but it does interact with dark matter, wouldn't that cause an interaction with normal matter through its interaction with dark matter and ...
- 1
1
vote
1
answer
332
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What is the identity of Dark Matter?
What is the identity of dark matter?
Is it a particle?
Is it the lightest superpartner (LSP)?
Do the phenomena attributed to dark matter point not to some form of matter but actually to an ...
- 659
23
votes
1
answer
9k
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How do we know Dark Matter is non-baryonic? [duplicate]
It seems widely stated, but not thoroughly explained, that Dark Matter is not normal matter as we understand it. Wikipedia states "Consistency with other observations indicates that the vast majority ...
- 3,241
50
votes
8
answers
7k
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Why isn't dark matter just ordinary matter?
There's more gravitational force in our galaxy (and others) than can be explained by counting stars made of ordinary matter. So why not lots of dark planetary systems (i.e., without stars) made of ...
- 603