Timeline for Can dark matter be relativistic dust?
Current License: CC BY-SA 3.0
10 events
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| Apr 17, 2013 at 0:20 | comment | added | user10851 | By the way, @Luke, "dust" has a very narrow definition in cosmology, referring to a homogenous perfect fluid whose energy density (times $c^2$) dwarfs its pressure (which includes both traditional self-repulsion and the momentum flux per unit time you necessarily find in in relativistic particle). So anything that is relativistic shouldn't be called "dust." | |
| Apr 17, 2013 at 0:14 | comment | added | user10851 | I agree with becko - the other questions are tacitly using a null hypothesis of nonrelativistic baryons. | |
| Apr 16, 2013 at 23:13 | answer | added | user4552 | timeline score: 5 | |
| Apr 16, 2013 at 23:08 | history | edited | user4552 |
added cosmology and GR tags
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| Apr 16, 2013 at 21:11 | review | Close votes | |||
| Apr 17, 2013 at 16:05 | |||||
| Apr 16, 2013 at 21:06 | comment | added | a06e | @zhermes those are not duplicates, but related | |
| Apr 16, 2013 at 21:04 | vote | accept | Luke | ||
| Apr 16, 2013 at 20:53 | comment | added | DilithiumMatrix | Duplicate: physics.stackexchange.com/questions/1008/… physics.stackexchange.com/questions/26778/… | |
| Apr 16, 2013 at 20:49 | answer | added | dmckee --- ex-moderator kitten | timeline score: 11 | |
| Apr 16, 2013 at 20:36 | history | asked | Luke | CC BY-SA 3.0 |