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Hubble images NGC 2022

Last post by Michael131313 « Sat Aug 17, 2019 10:42 pm
Replies: 4
by notFritzArgelander » Fri Aug 16, 2019 3:29 pm

4 Replies

45 Views

Last post by Michael131313
Sat Aug 17, 2019 10:42 pm
Dr H video on the need for quantum gravity

Last post by Michael131313 « Sat Aug 17, 2019 10:04 pm
Replies: 1
by notFritzArgelander » Sat Aug 17, 2019 9:53 pm

First post

It's pretty good. She uses the s word appropriately. ;)

Last post

Thanks n_FA. Liked it.

1 Replies

10 Views

Last post by Michael131313
Sat Aug 17, 2019 10:04 pm
SWaB: DM and BHs

Last post by notFritzArgelander « Sat Aug 17, 2019 6:50 pm
Replies: 3
by notFritzArgelander » Sat Aug 17, 2019 3:49 pm

First post

This assumes that all BHs are from stars. It ain't necessarily so. Primordial BHs made in the Big Bang could be mostly DM.

Last post

Thanks n_FA. I remember that in past posts there were primordial BH's before the stars formed. He continues to use the S word.

... As if it means...

3 Replies

20 Views

Last post by notFritzArgelander
Sat Aug 17, 2019 6:50 pm
AAS: modeling super flares

Last post by notFritzArgelander « Sat Aug 17, 2019 5:26 pm
Replies: 9
by notFritzArgelander » Fri Aug 16, 2019 7:56 pm

9 Replies

57 Views

Last post by notFritzArgelander
Sat Aug 17, 2019 5:26 pm
necessary and sufficient conditions for a quantum gravity

Last post by chasmanian « Sat Aug 17, 2019 2:30 am
Replies: 19
by notFritzArgelander » Sat Aug 10, 2019 12:32 am

First post

This looks to be important and needs some digging. The article is kind of vague to me. So I will follow up with more detail.

Article:

The paper...

Last post

I pm'ed a friend to suggest putting a Bookmarks link in an easier place to get to.
(not the Tools menu, though. that menu only appears when you are...

19 Replies

216 Views

Last post by chasmanian
Sat Aug 17, 2019 2:30 am
LIGO/VIRGO BH shreds neutron star

Last post by notFritzArgelander « Fri Aug 16, 2019 4:24 pm
Replies: 1
by notFritzArgelander » Fri Aug 16, 2019 3:43 pm

There's an obnoxious subscription popup which can be defeated by reloading the page....

1 Replies

18 Views

Last post by notFritzArgelander
Fri Aug 16, 2019 4:24 pm
SWaB: Jupiter takes a lot of hits

Last post by KingNothing13 « Fri Aug 16, 2019 3:41 pm
Replies: 1
by notFritzArgelander » Fri Aug 16, 2019 3:19 pm

1 Replies

24 Views

Last post by KingNothing13
Fri Aug 16, 2019 3:41 pm
searching for optical counterparts of gravitational wave events

Last post by notFritzArgelander « Fri Aug 16, 2019 3:33 pm

by notFritzArgelander » Fri Aug 16, 2019 3:33 pm

0 Replies

11 Views

Last post by notFritzArgelander
Fri Aug 16, 2019 3:33 pm
Quanta: it may take 3 BHs to make a pair

Last post by helicon « Fri Aug 16, 2019 1:37 pm
Replies: 1
by notFritzArgelander » Thu Aug 15, 2019 8:52 pm

First post

BH binary mergers are happening at a higher rate than expected by LIGO/VIRGO observations. A third BH might help explain the frequency of events.

Last post

In the past few years, another idea has appeared. Under the right conditions, a third object can trigger a process that brings a pair of objects...

1 Replies

21 Views

Last post by helicon
Fri Aug 16, 2019 1:37 pm
the invisibility of length contraction

Last post by notFritzArgelander « Thu Aug 15, 2019 10:36 pm
Replies: 2
by notFritzArgelander » Thu Aug 15, 2019 8:26 pm

2 Replies

30 Views

Last post by notFritzArgelander
Thu Aug 15, 2019 10:36 pm
TESS: overturns date of a stellar stream

Last post by OBXgirl « Thu Aug 15, 2019 5:08 pm
Replies: 1
by notFritzArgelander » Thu Aug 15, 2019 2:59 pm

1 Replies

25 Views

Last post by OBXgirl
Thu Aug 15, 2019 5:08 pm
bizarre SN 2016iet

Last post by notFritzArgelander « Thu Aug 15, 2019 3:57 pm

by notFritzArgelander » Thu Aug 15, 2019 3:57 pm

0 Replies

18 Views

Last post by notFritzArgelander
Thu Aug 15, 2019 3:57 pm
ancient collision explains Jupiter's core?

Last post by notFritzArgelander « Thu Aug 15, 2019 2:50 pm

by notFritzArgelander » Thu Aug 15, 2019 2:50 pm

0 Replies

11 Views

Last post by notFritzArgelander
Thu Aug 15, 2019 2:50 pm
real time stellar evolution sees in T UMi

Last post by notFritzArgelander « Thu Aug 15, 2019 2:47 pm

by notFritzArgelander » Thu Aug 15, 2019 2:47 pm

0 Replies

11 Views

Last post by notFritzArgelander
Thu Aug 15, 2019 2:47 pm
Kepler finds 3 new β Cepheids

Last post by notFritzArgelander « Thu Aug 15, 2019 2:44 pm

by notFritzArgelander » Thu Aug 15, 2019 2:44 pm

This is in addition to the trove reported by KELT

0 Replies

12 Views

Last post by notFritzArgelander
Thu Aug 15, 2019 2:44 pm
SWaB: test gravitational waves for quantum effects

Last post by notFritzArgelander « Thu Aug 15, 2019 2:40 pm

by notFritzArgelander » Thu Aug 15, 2019 2:40 pm

0 Replies

11 Views

Last post by notFritzArgelander
Thu Aug 15, 2019 2:40 pm
how many earth like planets around sunlike stars?

Last post by GCoyote « Thu Aug 15, 2019 1:04 pm
Replies: 7
by notFritzArgelander » Wed Aug 14, 2019 4:16 pm

7 Replies

84 Views

Last post by GCoyote
Thu Aug 15, 2019 1:04 pm
debunking BH myths

Last post by notFritzArgelander « Wed Aug 14, 2019 5:50 pm
Replies: 2
by notFritzArgelander » Wed Aug 14, 2019 4:08 pm

2 Replies

39 Views

Last post by notFritzArgelander
Wed Aug 14, 2019 5:50 pm
video of the Sgr A* flare

Last post by helicon « Wed Aug 14, 2019 5:25 pm
Replies: 1
by notFritzArgelander » Wed Aug 14, 2019 4:15 pm

First post

This improves on the previous discussion at

Last post

Very cool - thanks for the share!

1 Replies

26 Views

Last post by helicon
Wed Aug 14, 2019 5:25 pm
SOAR first light

Last post by Thefatkitty « Wed Aug 14, 2019 4:52 pm
Replies: 1
by notFritzArgelander » Wed Aug 14, 2019 4:18 pm

1 Replies

19 Views

Last post by Thefatkitty
Wed Aug 14, 2019 4:52 pm
JWST as a planetary atmosphere instrument

Last post by notFritzArgelander « Wed Aug 14, 2019 4:06 pm

by notFritzArgelander » Wed Aug 14, 2019 4:06 pm

0 Replies

11 Views

Last post by notFritzArgelander
Wed Aug 14, 2019 4:06 pm
biofluorescence in the search for life

Last post by notFritzArgelander « Wed Aug 14, 2019 4:04 pm

by notFritzArgelander » Wed Aug 14, 2019 4:04 pm

0 Replies

11 Views

Last post by notFritzArgelander
Wed Aug 14, 2019 4:04 pm
SWaB: cosmological red shift and conservation of energy

Last post by notFritzArgelander « Wed Aug 14, 2019 3:44 pm

by notFritzArgelander » Wed Aug 14, 2019 3:44 pm

The part about how energy conservation is not defined for the the universe in GR gives me heartburn, though. There is a religious war on whether it...

0 Replies

14 Views

Last post by notFritzArgelander
Wed Aug 14, 2019 3:44 pm
AAS: making globular clusters

Last post by helicon « Wed Aug 14, 2019 3:12 pm
Replies: 3
by notFritzArgelander » Wed Aug 14, 2019 1:25 am

First post

One of the more gratifying developments recently. In arguments with MONDophiles they'd point out that the Dark Matter cosmology predicts 100-200...

Last post

A fascinating brief article notFritz - thanks for the share.

3 Replies

37 Views

Last post by helicon
Wed Aug 14, 2019 3:12 pm
Quanta: the Hubble constant debate

Last post by OBXgirl « Wed Aug 14, 2019 4:11 am
Replies: 3
by notFritzArgelander » Thu Aug 08, 2019 10:03 pm

First post

Earlier we reported that there was a debate going on

Quanta magazine has reportage on the proceedings:

Last post

As Dr. Illingworth said, We're learning the answers to questions we didn't know to ask.

3 Replies

74 Views

Last post by OBXgirl
Wed Aug 14, 2019 4:11 am

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