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MW halo very hot at 10 million K

Last post by pakarinen « Wed Jun 03, 2020 11:40 am
Replies: 2
by notFritzArgelander » Tue Jun 02, 2020 2:56 am

2 Replies

21 Views

Last post by pakarinen
Wed Jun 03, 2020 11:40 am
pprototype Schwarzschild-Couder Telescope images Crab Nebula

Last post by pakarinen « Wed Jun 03, 2020 11:30 am
Replies: 5
by notFritzArgelander » Tue Jun 02, 2020 4:17 pm

First post

A first light report....

A Schwarzschild-Couder Telescope is Cassegrain type layout with a pretty hefty central obstruction. Refractor fanciers...

Last post

Mislabeled picture. That's a carnival ride not a telescope.

5 Replies

51 Views

Last post by pakarinen
Wed Jun 03, 2020 11:30 am
video VR tour of Galactic Center

Last post by Graeme1858 « Wed Jun 03, 2020 6:31 am
Replies: 1
by notFritzArgelander » Wed Jun 03, 2020 2:59 am

1 Replies

18 Views

Last post by Graeme1858
Wed Jun 03, 2020 6:31 am
magnetic fields control plasma movement near Sgr A*

Last post by notFritzArgelander « Wed Jun 03, 2020 3:01 am

by notFritzArgelander » Wed Jun 03, 2020 3:01 am

0 Replies

15 Views

Last post by notFritzArgelander
Wed Jun 03, 2020 3:01 am
MW's SMBH illuminated distant gasses millions of years ago

Last post by notFritzArgelander « Wed Jun 03, 2020 2:57 am

by notFritzArgelander » Wed Jun 03, 2020 2:57 am

0 Replies

11 Views

Last post by notFritzArgelander
Wed Jun 03, 2020 2:57 am
JPL's ASTERIA detects 55 Cancri e

Last post by notFritzArgelander « Wed Jun 03, 2020 2:41 am

by notFritzArgelander » Wed Jun 03, 2020 2:41 am

With a 60mm aperture scope....

0 Replies

7 Views

Last post by notFritzArgelander
Wed Jun 03, 2020 2:41 am
Citizen Scientists spot Closest young Brown Dwarf disk yet

Last post by helicon « Tue Jun 02, 2020 8:42 pm

by helicon » Tue Jun 02, 2020 8:42 pm

Just published on the site and I stumbled across the story.

0 Replies

16 Views

Last post by helicon
Tue Jun 02, 2020 8:42 pm
the places where FRBs happen

Last post by helicon « Tue Jun 02, 2020 8:35 pm
Replies: 1
by notFritzArgelander » Tue Jun 02, 2020 4:05 pm

First post

Some of the more extreme scenarios are ruled out.

Last post

Just as video calls with colleagues show you their homes and give you a bit of an insight into their lives, looking into the host galaxies of fast...

1 Replies

16 Views

Last post by helicon
Tue Jun 02, 2020 8:35 pm
observing the powering up of a pulsar

Last post by helicon « Tue Jun 02, 2020 6:16 pm
Replies: 2
by notFritzArgelander » Tue Jun 02, 2020 4:08 pm

2 Replies

22 Views

Last post by helicon
Tue Jun 02, 2020 6:16 pm
AAS 236 Day 1 Summary

Last post by notFritzArgelander « Tue Jun 02, 2020 6:07 pm

by notFritzArgelander » Tue Jun 02, 2020 6:07 pm

Glad to see that these highlights are being continued....

0 Replies

15 Views

Last post by notFritzArgelander
Tue Jun 02, 2020 6:07 pm
SMBH form by accreting stars and gas

Last post by notFritzArgelander « Tue Jun 02, 2020 6:04 pm

by notFritzArgelander » Tue Jun 02, 2020 6:04 pm

Previous worries about formation efficiency had led the stars out of the picture.

0 Replies

8 Views

Last post by notFritzArgelander
Tue Jun 02, 2020 6:04 pm
SMBHs and star formation

Last post by notFritzArgelander « Tue Jun 02, 2020 6:02 pm

by notFritzArgelander » Tue Jun 02, 2020 6:02 pm

0 Replies

10 Views

Last post by notFritzArgelander
Tue Jun 02, 2020 6:02 pm
planetary nebulae with unusual molecules and isotopes

Last post by notFritzArgelander « Tue Jun 02, 2020 4:19 pm

by notFritzArgelander » Tue Jun 02, 2020 4:19 pm

0 Replies

11 Views

Last post by notFritzArgelander
Tue Jun 02, 2020 4:19 pm
patterns from spiral galaxies hint universe may have structure

Last post by notFritzArgelander « Tue Jun 02, 2020 7:13 am
Replies: 2
by notFritzArgelander » Tue Jun 02, 2020 3:04 am

First post

This has interesting implications for the idea that the universe is homogenous and isotropic as Noether's theorem would require. The big question is...

Last post

Unfortunately that’s not going to work.

How different forms of energy scale with the expansion of the universe can be measured by the signal...

2 Replies

31 Views

Last post by notFritzArgelander
Tue Jun 02, 2020 7:13 am
LHC's ALICE experiment makes antideuterons

Last post by Graeme1858 « Tue Jun 02, 2020 6:08 am
Replies: 1
by notFritzArgelander » Tue Jun 02, 2020 3:30 am

First post

This might be a step toward dark matter detection.

Last post

Hopefully a further whittling away of the dark matter mystery.

Interesting.

Regards

Graeme

1 Replies

18 Views

Last post by Graeme1858
Tue Jun 02, 2020 6:08 am
ISS's AMS experiment measures Si, Mg, Ne cosmic rays

Last post by notFritzArgelander « Tue Jun 02, 2020 3:56 am

by notFritzArgelander » Tue Jun 02, 2020 3:56 am

The article itself is disappointingly opaque in that the title makes promises the text leaves undelivered.

However the abstract of the paper...

0 Replies

7 Views

Last post by notFritzArgelander
Tue Jun 02, 2020 3:56 am
AAS 236th meeting in progress

Last post by notFritzArgelander « Tue Jun 02, 2020 3:25 am

by notFritzArgelander » Tue Jun 02, 2020 3:25 am

Due to the virus it is being held virtually rather than in person. It's unclear whether folks are going to be publishing daily overviews as in the...

0 Replies

4 Views

Last post by notFritzArgelander
Tue Jun 02, 2020 3:25 am
BH growth: mergers versus accretion

Last post by notFritzArgelander « Tue Jun 02, 2020 3:23 am

by notFritzArgelander » Tue Jun 02, 2020 3:23 am

0 Replies

4 Views

Last post by notFritzArgelander
Tue Jun 02, 2020 3:23 am
classical novae make lithium

Last post by notFritzArgelander « Tue Jun 02, 2020 3:20 am

by notFritzArgelander » Tue Jun 02, 2020 3:20 am

0 Replies

5 Views

Last post by notFritzArgelander
Tue Jun 02, 2020 3:20 am
DESI passes review to restart

Last post by notFritzArgelander « Tue Jun 02, 2020 2:58 am

by notFritzArgelander » Tue Jun 02, 2020 2:58 am

0 Replies

7 Views

Last post by notFritzArgelander
Tue Jun 02, 2020 2:58 am
blue horizontal branch stars magnetic hot spots

Last post by notFritzArgelander « Tue Jun 02, 2020 2:54 am

by notFritzArgelander » Tue Jun 02, 2020 2:54 am

0 Replies

6 Views

Last post by notFritzArgelander
Tue Jun 02, 2020 2:54 am
distance determined for lensed obscured quasar

Last post by notFritzArgelander « Tue Jun 02, 2020 2:52 am

by notFritzArgelander » Tue Jun 02, 2020 2:52 am

in quarantine folks mine old data for new results....

0 Replies

6 Views

Last post by notFritzArgelander
Tue Jun 02, 2020 2:52 am
spectroscopic binary 7 Vulpeculae

Last post by notFritzArgelander « Mon Jun 01, 2020 9:13 pm
Replies: 3
by notFritzArgelander » Mon Jun 01, 2020 2:12 pm

3 Replies

27 Views

Last post by notFritzArgelander
Mon Jun 01, 2020 9:13 pm
SWaB: stars forming where planets can't

Last post by notFritzArgelander « Mon Jun 01, 2020 7:48 pm
Replies: 2
by notFritzArgelander » Mon Jun 01, 2020 1:16 pm

First post

Related recent discussion.....

Last post

That's an excellent thread. Every image tells a story.

Regards

Graeme

He does that as part of a Mostly Mute Monday series....

2 Replies

17 Views

Last post by notFritzArgelander
Mon Jun 01, 2020 7:48 pm
galaxy mergers and AGN activity

Last post by Graeme1858 « Mon Jun 01, 2020 6:46 pm
Replies: 2
by notFritzArgelander » Mon Jun 01, 2020 1:03 pm

2 Replies

16 Views

Last post by Graeme1858
Mon Jun 01, 2020 6:46 pm

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