Astrophysics

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In memory of nFA

Last post by Greenman « Fri Feb 03, 2023 4:05 pm
Replies: 37
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

A sad day for us all, from star dust to star dust - farewell.
37 Replies

1529 Views

Last post by Greenman
Fri Feb 03, 2023 4:05 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

491 Views

Last post by notFritzArgelander
Mon May 30, 2022 5:39 am
PBS takes a deep dive into black holes and dark energy.

Last post by Gmetric « Wed Mar 22, 2023 9:50 pm

by Gmetric » Wed Mar 22, 2023 9:50 pm

Original threads

0 Replies

30 Views

Last post by Gmetric
Wed Mar 22, 2023 9:50 pm
Discovery of relativistic jets blowing bubbles in the central region of the Teacup galaxy

Last post by helicon « Tue Mar 21, 2023 3:14 pm

by helicon » Tue Mar 21, 2023 3:14 pm

0 Replies

28 Views

Last post by helicon
Tue Mar 21, 2023 3:14 pm
Are Space and Time real?

Last post by Lady Fraktor « Tue Mar 21, 2023 5:16 am
Replies: 6
by Gmetric » Fri Feb 24, 2023 3:44 am

First post

With PBS and Matt O'Dowd. This is the first part of what looks to be an interesting series.

Last post

A interesting series so far.

6 Replies

120 Views

Last post by Lady Fraktor
Tue Mar 21, 2023 5:16 am
Super Massive Stars in the early universe.

Last post by Lady Fraktor « Tue Mar 21, 2023 5:14 am
Replies: 2
by Gmetric » Fri Mar 17, 2023 1:00 pm

First post

Came across this little paper which models cold flow accretion as a mechanism for Pop III stars. But, not stars as we know them...

It's an...

Last post

Definitely a interesting approach to the problem, thank you for the link :)

2 Replies

65 Views

Last post by Lady Fraktor
Tue Mar 21, 2023 5:14 am
Terminator zones and habitability.

Last post by Gmetric « Fri Mar 17, 2023 3:10 pm

by Gmetric » Fri Mar 17, 2023 3:10 pm

0 Replies

29 Views

Last post by Gmetric
Fri Mar 17, 2023 3:10 pm
Ethan on why mass is important.

Last post by helicon « Thu Mar 16, 2023 1:23 pm
Replies: 4
by Gmetric » Tue Mar 14, 2023 10:56 pm

4 Replies

77 Views

Last post by helicon
Thu Mar 16, 2023 1:23 pm
Dangerous Moons

Last post by Lady Fraktor « Thu Mar 16, 2023 4:52 am
Replies: 1
by ThinkerX » Wed Mar 15, 2023 6:56 pm

First post

Earth might have gotten lucky.

I am reminded of Neptune/Triton in our Solar System.

The moon crashing into Earth may sound like an unrealistic...

Last post

I was just watching a program that discussed this along with how theory now thinks Mercury was past Mars orbit originally but lost most of its crust/...

1 Replies

41 Views

Last post by Lady Fraktor
Thu Mar 16, 2023 4:52 am
Study sheds more light on the diffuse radio emission from the galaxy cluster Abell 1213

Last post by Makuser « Tue Mar 14, 2023 5:30 pm
Replies: 1
by helicon » Tue Mar 14, 2023 3:12 pm

1 Replies

53 Views

Last post by Makuser
Tue Mar 14, 2023 5:30 pm
Two exoplanets orbiting a sun-like star discovered

Last post by ThinkerX « Sun Mar 12, 2023 9:34 pm
Replies: 1
by helicon » Sat Mar 11, 2023 7:18 pm

First post

A bit of Saturday reading...

Last post

A Neptune analog in an orbit comparable to that of Earth or maybe Mars...interesting...

1 Replies

53 Views

Last post by ThinkerX
Sun Mar 12, 2023 9:34 pm
Flatness of space vs spacetime

Last post by Gmetric « Fri Mar 10, 2023 12:44 am
Replies: 1
by SkyHiker » Thu Mar 09, 2023 7:03 pm

First post

I had been reading about the universe being flat as opposed to negatively curved, which I thought was the consensus for at least a while. That made...

Last post

Thanks for the links, your thoughts and clarification, Henk. Much appreciated.

1 Replies

56 Views

Last post by Gmetric
Fri Mar 10, 2023 12:44 am
Dr. Becky discusses recent JWST data.

Last post by Gmetric « Fri Mar 10, 2023 12:40 am

by Gmetric » Fri Mar 10, 2023 12:40 am

0 Replies

34 Views

Last post by Gmetric
Fri Mar 10, 2023 12:40 am
An ever increasing problem for all Astrophotographers, not just Hubble.

Last post by Juno16 « Wed Mar 08, 2023 10:00 pm
Replies: 7
by Gmetric » Tue Mar 07, 2023 3:40 am

7 Replies

91 Views

Last post by Juno16
Wed Mar 08, 2023 10:00 pm
More imaginative dark matter evolution ideas

Last post by Lady Fraktor « Wed Mar 08, 2023 4:44 am
Replies: 2
by Gmetric » Tue Mar 07, 2023 3:37 am

First post

:roll:

:clap: :clap:

Last post

Extra quantum? Supersized string theory next? :roll:

2 Replies

52 Views

Last post by Lady Fraktor
Wed Mar 08, 2023 4:44 am
Gravitational wave science moves towards a deeper understanding of Black Holes.

Last post by Lady Fraktor « Tue Mar 07, 2023 4:56 am
Replies: 1
by Gmetric » Tue Mar 07, 2023 3:49 am

First post

“If I give you a box and ask you what’s in it, the natural thing to do is to shake it. That would tell you whether inside the box are candies or...

Last post

It will be interesting to read what they come up with in future.

1 Replies

39 Views

Last post by Lady Fraktor
Tue Mar 07, 2023 4:56 am
Discovery of a giant arc of galaxies

Last post by Lady Fraktor « Mon Mar 06, 2023 5:16 am
Replies: 1
by Gmetric » Sat Mar 04, 2023 12:24 am

First post

Why is this important? Because it my indicate a requirement to revisit the cosmological principle?

But of course, Ethan has something to say on...

Last post

Very interesting reading Arry, thank you or the links :)

1 Replies

65 Views

Last post by Lady Fraktor
Mon Mar 06, 2023 5:16 am
New results from NASA's dart planetary defense mission confirms that we can deflect deadly asteroids

Last post by helicon « Sun Mar 05, 2023 2:46 pm

by helicon » Sun Mar 05, 2023 2:46 pm

0 Replies

32 Views

Last post by helicon
Sun Mar 05, 2023 2:46 pm
Dr. Becky on Kilonovas

Last post by Gmetric « Thu Mar 02, 2023 11:30 pm

by Gmetric » Thu Mar 02, 2023 11:30 pm

0 Replies

40 Views

Last post by Gmetric
Thu Mar 02, 2023 11:30 pm
Science News with Sabine

Last post by Gmetric « Thu Mar 02, 2023 12:08 am

by Gmetric » Thu Mar 02, 2023 12:08 am

0 Replies

30 Views

Last post by Gmetric
Thu Mar 02, 2023 12:08 am
Baby star near the black hole in the middle of our Milky Way: It exists after all

Last post by Gmetric « Wed Mar 01, 2023 1:48 pm

by Gmetric » Wed Mar 01, 2023 1:48 pm

0 Replies

36 Views

Last post by Gmetric
Wed Mar 01, 2023 1:48 pm
Galactic explosion offers astrophysicists new insight into the cosmos

Last post by Gmetric « Wed Mar 01, 2023 1:46 pm

by Gmetric » Wed Mar 01, 2023 1:46 pm

0 Replies

28 Views

Last post by Gmetric
Wed Mar 01, 2023 1:46 pm
Spiral pattern gives clue to how high-mass stars form

Last post by helicon « Tue Feb 28, 2023 2:32 pm

by helicon » Tue Feb 28, 2023 2:32 pm

0 Replies

30 Views

Last post by helicon
Tue Feb 28, 2023 2:32 pm
Are quantum fields real, or are they simply calculational tools?

Last post by Gmetric « Fri Feb 24, 2023 11:42 pm

by Gmetric » Fri Feb 24, 2023 11:42 pm

Ethan discusses the proofs.

0 Replies

39 Views

Last post by Gmetric
Fri Feb 24, 2023 11:42 pm
Night Sky News with Dr. Becky and her take on BHs and DE

Last post by helicon « Fri Feb 24, 2023 4:49 pm
Replies: 1
by Gmetric » Fri Feb 24, 2023 3:03 am

First post

I've posted this here as she goes into some detail about the recent hyped news about black holes and dark energy seen in the links below. But, it's...

Last post

Agreed. Thanks for the share Arry.

1 Replies

62 Views

Last post by helicon
Fri Feb 24, 2023 4:49 pm

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