All Questions
Tagged with intergalactic-space galactic-dynamics
5
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dark matter in galaxy cluster in intergalactic space
On the rotation speed of galaxies in a galaxy cluster:
-> Is the dark matter associated with each galaxy in a cluster, sufficient to explain the rotation speed of galaxies in the cluster, or extra ...
- 221
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Is our Milky Way galaxy (and its neighbors?) moving through the universe at 370 km/s (~828,000 mph) or 370 miles/sec (~1,332,000 mph)? [duplicate]
I swear that exactly half of the many, many sites I found say that our Galaxy and its immediate neighbors are moving towards the Leo Constellation (I believe) and, ultimately, supposedly, the 'Great ...
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Looking for a Dwarf Galaxy < 500 L.y. in Diameter, which is not a Satellite / Companion, or is at least 500 000 L.y. away from another Galaxy
My goal is to learn about an example of a Dwarf Spheroidal or a Dwarf Irregular Galaxy which is not a Satellite / Companion Galaxy (or is at least 500 000 L.y. away from another Galaxy), and doesn't ...
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Could dark energy be negative gravity?
Main question: Could dark energy (the mysterious accelerating expansion of the universe) be explained by "negative gravity"?
"Spin off" questions:
Does antimatter have negative gravity?
If ...
- 4,381
11
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Dark Flow: statistical limits on existence
Dark Flow has been thrown around as a term a lot lately, especially with the latest Planck results.
New Scientist reported last year that it was now statistically improbable, but the paper by Atrio ...
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