All Questions
4 questions
1
vote
1
answer
58
views
Angular momentum of matter halos?
How much momentum (or more specifically, angular momentum) could a matter halo (like a dark matter halo, a neutrino halo...) have? Is it possible that they may have high amounts of momentum?
For ...
- 2,878
2
votes
0
answers
116
views
Why is the scientific community, and especially the astrophysicists, so skeptical about sterile neutrinos?
As rob pointed out in a comment in my previous question :
"There were hints about sterile or missing neutrinos in LSND, in the low-statistics region of MiniBoone, and in a number of other ...
- 4,448
1
vote
1
answer
63
views
Why do we need hot dark matter?
Data on galaxy rotation curves suggested that not all the mass in the galaxy is accounted for and we can't observe them directly but remind me again why we need hot dark matter in the first place? ...
- 13.1k
0
votes
1
answer
94
views
Is it possible that cosmic ray particles and neutrinos account for a significant portion of dark matter?
Sounds a bit naive but I read somewhere that neutrinos were thought to account for dark matter to an extent and I think Zwicki came up with the idea before cosmic rays were announced (not sure though)....
- 1,562