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In memory of nFA

Last post by billykkutter « Wed Apr 26, 2023 6:28 pm
Replies: 38
by Gordon » Sat Dec 03, 2022 6:03 pm
1

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First post

I have some very sad news to past along.

Our top poster and long time member of both AstronomyForum.net and TheSkySearchers.com passed away November...

Last post

Not Fritz was a very secretive fellow. He helped me many times with questions before this site came along.
I did know he was not well, but I shall...
38 Replies

2093 Views

Last post by billykkutter
Wed Apr 26, 2023 6:28 pm
Astrophysics Videos

Last post by notFritzArgelander « Mon May 30, 2022 5:39 am

by notFritzArgelander » Mon May 30, 2022 5:39 am

TEAM Comment: This stickie was suggested by nFA and we will be posting links to videos of different speakers discussing Astrophysics topics. If any...

0 Replies

579 Views

Last post by notFritzArgelander
Mon May 30, 2022 5:39 am
Betelgeuse Is Being Weird Again. What Gives?

Last post by Gordon « Sun Jun 04, 2023 5:32 pm
Replies: 3
by helicon » Sat Jun 03, 2023 2:30 pm

3 Replies

83 Views

Last post by Gordon
Sun Jun 04, 2023 5:32 pm
Alien Signals from Galactic Center?

Last post by helicon « Sat Jun 03, 2023 2:32 pm
Replies: 2
by ThinkerX » Fri Jun 02, 2023 8:49 pm

First post

Given the radiation and other issues throughout the galactic core, my vote (not that it counts) is 'NO!'

Last post

Not exactly the optimal place for life.

Similarly the phony signal from M13 in the 70's. Not enough metallicity for life nor the right combination...

2 Replies

46 Views

Last post by helicon
Sat Jun 03, 2023 2:32 pm
Software offers new way to listen for signals from the stars

Last post by helicon « Wed May 31, 2023 6:28 pm
Replies: 3
by helicon » Wed May 31, 2023 12:33 pm

First post

Cutting Edge software as a multiplier for SETI

Last post

I had a chance to chat with Seth Shostak once, who ran the SETI project. The idea of using peer-based computational power for something positive was...

3 Replies

53 Views

Last post by helicon
Wed May 31, 2023 6:28 pm
model-independent experiment starts searching for dark matter

Last post by GCoyote « Mon May 29, 2023 3:29 am
Replies: 2
by GCoyote » Thu May 25, 2023 1:32 am

First post

The ALPS (Any Light Particle Search) experiment, which stretches a total length of 250 meters, is looking for a particularly light type of new...

Last post

In this case I'd say it's because they have so little to go on. There is no firm mass estimate for axions so they can't rule much out until they have...

2 Replies

77 Views

Last post by GCoyote
Mon May 29, 2023 3:29 am
LIGO is back online

Last post by Michael131313 « Wed May 24, 2023 5:53 pm
Replies: 2
by Gmetric » Wed May 24, 2023 1:09 pm

2 Replies

54 Views

Last post by Michael131313
Wed May 24, 2023 5:53 pm
A theoretical plethora of black hole shapes possible

Last post by messier 111 « Wed May 24, 2023 3:10 pm
Replies: 2
by Gmetric » Wed May 24, 2023 2:09 pm

First post

In more than 3+1 dimensions...

Last post

thx .

2 Replies

59 Views

Last post by messier 111
Wed May 24, 2023 3:10 pm
First exoradiation belt discovered.

Last post by Gmetric « Wed May 24, 2023 2:11 pm
Replies: 2
by Gmetric » Wed May 24, 2023 1:56 pm

2 Replies

37 Views

Last post by Gmetric
Wed May 24, 2023 2:11 pm
Element creation in labs deepens understanding of surface explosions on neutron stars

Last post by Gmetric « Wed May 24, 2023 1:53 pm

by Gmetric » Wed May 24, 2023 1:53 pm

0 Replies

23 Views

Last post by Gmetric
Wed May 24, 2023 1:53 pm
Hunting for intermediate mass black holes close to home.

Last post by Gmetric « Wed May 24, 2023 1:23 pm

by Gmetric » Wed May 24, 2023 1:23 pm

Astronomers are on the case using Hubble as their tool of choice...

0 Replies

19 Views

Last post by Gmetric
Wed May 24, 2023 1:23 pm
Black holes might be defects in spacetime

Last post by Gmetric « Mon May 22, 2023 6:04 am
Replies: 6
by helicon » Tue May 16, 2023 10:41 pm

First post

For your perusal...

Last post

1 - do we actually 'know' that, as such, or is it that we don't know how to handle the situation?

Hey Gfam

Since you haven't had a reply to your...

6 Replies

176 Views

Last post by Gmetric
Mon May 22, 2023 6:04 am
Life...anyone?

Last post by Gmetric « Sat May 13, 2023 12:20 pm

by Gmetric » Sat May 13, 2023 12:20 pm

Common or not? Sabine goes into detail...

0 Replies

59 Views

Last post by Gmetric
Sat May 13, 2023 12:20 pm
A Final Word from Stephen Hawking

Last post by Michael131313 « Fri May 12, 2023 4:57 pm
Replies: 4
by GCoyote » Fri May 12, 2023 2:53 am

First post

Stephen Hawking and I Created His Final Theory of the Cosmos

Last post

Thanks. I have been wanting to read that book. I hope it doesn't make my head spin to much.

4 Replies

92 Views

Last post by Michael131313
Fri May 12, 2023 4:57 pm
Faster than light ???

Last post by AntennaGuy « Sun May 07, 2023 3:37 am
Replies: 9
by Gmetric » Sat Apr 08, 2023 1:32 pm

First post

Sabine has something to say about it.

If you need a refresher on the Higgs field, boson and mechanism see the videos below in order of ease....

Last post

Re:
... How can static gravity cross an event horizon as gravitational waves cannot? We should be able to sense mass from outside the visible...

9 Replies

266 Views

Last post by AntennaGuy
Sun May 07, 2023 3:37 am
Wrap Your Brain Around This

Last post by Ylem « Sun May 07, 2023 2:06 am
Replies: 4
by Frankskywatcher » Sat May 06, 2023 3:36 pm

First post

I thought this was intriguing .

Last post

Great video, thanks for sharing Frank!

4 Replies

100 Views

Last post by Ylem
Sun May 07, 2023 2:06 am
Black hole image gets an AI upgrade

Last post by Michael131313 « Sat May 06, 2023 4:56 am
Replies: 7
by Gmetric » Fri Apr 28, 2023 11:33 am

7 Replies

128 Views

Last post by Michael131313
Sat May 06, 2023 4:56 am
SWAB: True or false: Does gravitational lensing reveal dark matter’s nature?

Last post by SkyHiker « Thu May 04, 2023 5:23 pm
Replies: 11
by SkyHiker » Thu Apr 27, 2023 8:47 am

First post

Ethan sweeps the floor with the recent article about axions being the most likely source of dark matter, .

Last post

These ideas about Mach's principle and the variable speed of light were not talked about much later on, in fact Einstein seemed to have abandoned the...

11 Replies

232 Views

Last post by SkyHiker
Thu May 04, 2023 5:23 pm
Scientists use power of AI to supercharge planetary studies

Last post by helicon « Wed May 03, 2023 5:47 pm
Replies: 3
by helicon » Tue May 02, 2023 1:05 pm

First post

It's not just ChatGPT!

Last post

Wow, that's a creative use of it Jim. My prediction is that this will be a transformative technology probably resulting in the rise of AI firms to...

3 Replies

84 Views

Last post by helicon
Wed May 03, 2023 5:47 pm
Hubble captures galaxy cluster ACO S520

Last post by Gmetric « Mon May 01, 2023 3:32 am
Replies: 4
by helicon » Sat Apr 29, 2023 2:00 pm

4 Replies

91 Views

Last post by Gmetric
Mon May 01, 2023 3:32 am
JWST deep-field image

Last post by Michael131313 « Thu Apr 27, 2023 3:40 am
Replies: 3
by Gmetric » Mon Apr 24, 2023 11:28 pm

First post

JWST takes Hubbles deep-field crown in a fraction of the time. From Ethan at the BigThink

Last post

Thanks alot for the post.

3 Replies

99 Views

Last post by Michael131313
Thu Apr 27, 2023 3:40 am
Scientists discover pre-low-mass white dwarf binary using LAMOST

Last post by Gmetric « Sun Apr 23, 2023 2:36 pm
Replies: 1
by helicon » Sun Apr 23, 2023 11:53 am

1 Replies

57 Views

Last post by Gmetric
Sun Apr 23, 2023 2:36 pm
Axions vs WIMPS vs gravitational lensing...Axions have it in this recent study.

Last post by helicon « Sun Apr 23, 2023 11:51 am
Replies: 2
by Gmetric » Fri Apr 21, 2023 2:49 pm

First post

This study looks at gravitational lensing and how foreground galaxies and their dark matter halos bend light. They modelled how Axion DM halos and...

Last post

MOND indeed!

2 Replies

82 Views

Last post by helicon
Sun Apr 23, 2023 11:51 am
Science news with Sabine

Last post by Lady Fraktor « Fri Apr 21, 2023 3:25 am
Replies: 2
by Gmetric » Thu Apr 20, 2023 4:38 am

First post

Quite interesting this...

This is the article on simulated solar flares from Caltech

Last post

Some interesting topics, I enjoyed the solar flare experiment.

2 Replies

78 Views

Last post by Lady Fraktor
Fri Apr 21, 2023 3:25 am
Physics Girl

Last post by chasmanian « Sun Apr 16, 2023 9:25 pm
Replies: 6
by chasmanian » Fri Apr 14, 2023 9:54 pm

First post

I just watched a Physics Girl video that I had started a thread with, a couple years ago, about why the Universe is flat.
Alan Guth is in it, talking...

Last post

yes. thank you for your reply. :)

6 Replies

164 Views

Last post by chasmanian
Sun Apr 16, 2023 9:25 pm

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