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KATRIN rules out light sterile neutrinos as dark matter

Last post by notFritzArgelander « Tue Apr 13, 2021 4:10 pm
Replies: 6
by notFritzArgelander » Mon Apr 12, 2021 6:00 pm

6 Replies

54 Views

Last post by notFritzArgelander
Tue Apr 13, 2021 4:10 pm
Astronomer talk tonight

Last post by chasmanian « Tue Apr 13, 2021 2:12 am

by chasmanian » Tue Apr 13, 2021 2:12 am

Professor Chris Impey is giving a talk tonight at 7:30 pm MST (10:30 pm EDT)....

0 Replies

19 Views

Last post by chasmanian
Tue Apr 13, 2021 2:12 am
Possible Fifth Force of Nature Discovered

Last post by notFritzArgelander « Tue Apr 13, 2021 1:13 am
Replies: 1
by Refractordude » Tue Apr 13, 2021 12:27 am

1 Replies

29 Views

Last post by notFritzArgelander
Tue Apr 13, 2021 1:13 am
Jupiter as a DM detector?

Last post by helicon « Mon Apr 12, 2021 9:42 pm
Replies: 1
by notFritzArgelander » Mon Apr 12, 2021 5:27 pm

1 Replies

24 Views

Last post by helicon
Mon Apr 12, 2021 9:42 pm
study of OC NGC 1348

Last post by notFritzArgelander « Mon Apr 12, 2021 5:25 pm

by notFritzArgelander » Mon Apr 12, 2021 5:25 pm

0 Replies

9 Views

Last post by notFritzArgelander
Mon Apr 12, 2021 5:25 pm
27 million galaxy morphologies cataloged with the help of AI

Last post by notFritzArgelander « Mon Apr 12, 2021 5:22 pm

by notFritzArgelander » Mon Apr 12, 2021 5:22 pm

0 Replies

7 Views

Last post by notFritzArgelander
Mon Apr 12, 2021 5:22 pm
Dr H video: "Does the Universe have Higher Dimensions? Part 1"

Last post by notFritzArgelander « Sat Apr 10, 2021 11:50 pm
Replies: 2
by notFritzArgelander » Sat Apr 10, 2021 4:28 pm

First post

Come for the extra dimensions but stay for the good explanation of Kaluza-Klein Theory.

Last post

Where's part 2?

It will arrive next week.

2 Replies

56 Views

Last post by notFritzArgelander
Sat Apr 10, 2021 11:50 pm
HST images M61

Last post by notFritzArgelander « Sat Apr 10, 2021 4:11 pm

by notFritzArgelander » Sat Apr 10, 2021 4:11 pm

0 Replies

9 Views

Last post by notFritzArgelander
Sat Apr 10, 2021 4:11 pm
a review of water in the interstellar medium

Last post by GCoyote « Sat Apr 10, 2021 1:50 pm
Replies: 1
by notFritzArgelander » Fri Apr 09, 2021 5:45 pm

1 Replies

19 Views

Last post by GCoyote
Sat Apr 10, 2021 1:50 pm
technosignatures

Last post by turboscrew « Sat Apr 10, 2021 10:17 am
Replies: 3
by notFritzArgelander » Fri Apr 09, 2021 5:51 pm

3 Replies

61 Views

Last post by turboscrew
Sat Apr 10, 2021 10:17 am
nuking asteroids

Last post by notFritzArgelander « Sat Apr 10, 2021 2:24 am
Replies: 2
by notFritzArgelander » Fri Apr 09, 2021 5:46 pm

2 Replies

39 Views

Last post by notFritzArgelander
Sat Apr 10, 2021 2:24 am
AAS: Multimessenger Cosmology of the Future

Last post by notFritzArgelander « Sat Apr 10, 2021 12:22 am

by notFritzArgelander » Sat Apr 10, 2021 12:22 am

0 Replies

12 Views

Last post by notFritzArgelander
Sat Apr 10, 2021 12:22 am
APS on muon g-2

Last post by helicon « Fri Apr 09, 2021 2:23 pm
Replies: 1
by notFritzArgelander » Thu Apr 08, 2021 8:07 pm

First post

This article is interesting since it reveals the details of how the data analysis was kept blind from the experimenters until the reveal. Clever.

Last post

Agreed. Thanks for the post notFritz...

1 Replies

29 Views

Last post by helicon
Fri Apr 09, 2021 2:23 pm
Quanta: the theory fight over muon g-2

Last post by Michael131313 « Fri Apr 09, 2021 1:51 am
Replies: 4
by notFritzArgelander » Wed Apr 07, 2021 8:36 pm

First post

This is a really nicely written piece that explains the differences between the new more harmonious g-2 theoretical prediction and the older less...

Last post

Thanks very much nFA. I don't have time right now to read it but will certainly do it soon. This subject is popping up in all sorts of media even...

4 Replies

82 Views

Last post by Michael131313
Fri Apr 09, 2021 1:51 am
Crab pulsar giant radio pulses hundreds of times more powerful than thought

Last post by Michael131313 « Fri Apr 09, 2021 1:42 am
Replies: 1
by notFritzArgelander » Thu Apr 08, 2021 6:23 pm

First post

The bandwidth extends to optical and Xray.

Last post

Thanks nFA. It is just amazing to me that they can spin so fast and emit so much energy. BTW it is relatively close.

1 Replies

17 Views

Last post by Michael131313
Fri Apr 09, 2021 1:42 am
Fornax Deep Survey finds 44 ultracompact dwarf galaxies

Last post by notFritzArgelander « Thu Apr 08, 2021 6:21 pm

by notFritzArgelander » Thu Apr 08, 2021 6:21 pm

membership in the Fornax Cluster to be confirmed spectroscopically.

0 Replies

10 Views

Last post by notFritzArgelander
Thu Apr 08, 2021 6:21 pm
AAS: interpreting the 2019 flare of Sgr A*

Last post by helicon « Thu Apr 08, 2021 1:36 pm
Replies: 1
by notFritzArgelander » Thu Apr 08, 2021 12:32 am

1 Replies

36 Views

Last post by helicon
Thu Apr 08, 2021 1:36 pm
a comic strip explanation of muon g-2

Last post by Lady Fraktor « Thu Apr 08, 2021 4:52 am
Replies: 5
by notFritzArgelander » Wed Apr 07, 2021 11:21 pm

5 Replies

76 Views

Last post by Lady Fraktor
Thu Apr 08, 2021 4:52 am
EM drive fails again with diagnostics

Last post by notFritzArgelander « Thu Apr 08, 2021 4:17 am
Replies: 10
by notFritzArgelander » Mon Apr 05, 2021 9:21 pm

First post

Looks like positive results previously reported can be explained by thermal effects and cherry picking the data.

Last post

The decease of the advocates is really a secondary effect. The primary cause of the death of bad ideas is that the next generation is not persuaded...

10 Replies

175 Views

Last post by notFritzArgelander
Thu Apr 08, 2021 4:17 am
Dr H SciAm piece on muon g-2

Last post by notFritzArgelander « Thu Apr 08, 2021 3:49 am

by notFritzArgelander » Thu Apr 08, 2021 3:49 am

Is the Standard Model of Physics Now Broken?

0 Replies

34 Views

Last post by notFritzArgelander
Thu Apr 08, 2021 3:49 am
physics.org's muon g-2 articles

Last post by notFritzArgelander « Thu Apr 08, 2021 3:42 am
Replies: 3
by notFritzArgelander » Wed Apr 07, 2021 6:32 pm

First post

OTOneH Here is a theoretical article that claims to have shrunk the disagreement! :)

OTOtherH. The stress of the disagreement. :)

Last post

Re:

With: What do touch screens, radiation therapy and shrink wrap have in common? They were all made possible by particle physics research....

3 Replies

51 Views

Last post by notFritzArgelander
Thu Apr 08, 2021 3:42 am
Symmetry: muon magnetism implies there are undiscovered particles

Last post by notFritzArgelander « Thu Apr 08, 2021 12:31 am
Replies: 10
by notFritzArgelander » Tue Mar 30, 2021 4:50 pm

First post

This is actually another clue that there is experimental evidence for particles we know nothing about. Perhaps another argument in favor of Dark...

Last post

Nicely done!

10 Replies

141 Views

Last post by notFritzArgelander
Thu Apr 08, 2021 12:31 am
long exposure radio images early star forming galaxies

Last post by notFritzArgelander « Wed Apr 07, 2021 6:27 pm

by notFritzArgelander » Wed Apr 07, 2021 6:27 pm

0 Replies

22 Views

Last post by notFritzArgelander
Wed Apr 07, 2021 6:27 pm
the fastest-spinning brown dwarfs

Last post by notFritzArgelander « Wed Apr 07, 2021 6:24 pm

by notFritzArgelander » Wed Apr 07, 2021 6:24 pm

0 Replies

24 Views

Last post by notFritzArgelander
Wed Apr 07, 2021 6:24 pm
AI finds new quadruply imaged quasars

Last post by notFritzArgelander « Wed Apr 07, 2021 6:19 pm

by notFritzArgelander » Wed Apr 07, 2021 6:19 pm

The Hubble tension is one application of these objects.

0 Replies

18 Views

Last post by notFritzArgelander
Wed Apr 07, 2021 6:19 pm

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