Timeline for On gravitational waves of dark matter collisions
Current License: CC BY-SA 3.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 26, 2019 at 10:16 | comment | added | safesphere | @SRS Clustets (bullet or not) are very large objects with a small average density. Intense gravitational waves usually are generated by relatively small objects with a very large density like neutron stars or black holes. | |
| Nov 26, 2019 at 7:53 | comment | added | SRS | @safesphere What about the possibility of gravitational waves from bullet clusters? | |
| Jan 16, 2018 at 17:03 | comment | added | safesphere | Your answer there repeats exactly what I stated above, DM "never loses its kinetic energy and does not normally collapse to dense objects, but forms halos around galaxies". I don't understand your objection, as I've never said that DM does not collapse at all. What I said was that DM does not collapse to dense objects, but does collapse to halos. Please explain. | |
| Jan 16, 2018 at 6:04 | comment | added | Kyle Oman | Sure, see my answer here physics.stackexchange.com/q/174977/11053 | |
| Jan 16, 2018 at 1:28 | comment | added | safesphere | @KyleOman Could you please elaborate on the reasons and mechanisms of the DM collapse into halos? | |
| Jan 15, 2018 at 13:41 | comment | added | Kyle Oman | DM does collapse; not to the same high densities as ordinary matter, but the 'halo' around a galaxy has a density several hundred times the cosmic average. | |
| Jan 12, 2018 at 17:27 | comment | added | Spoilt Milk | Thanks for your answer! Yup, DM indeed does not interact electromagnetically but we can’t think of a DM object’s gravitational collapse in the perspective of normal matter collapse since its mechanism of collapse is presently unknown. | |
| Jan 12, 2018 at 16:13 | history | answered | safesphere | CC BY-SA 3.0 |