Astrophysics

Moderators: joe, Brian, Guy Fennimore

New Topic

519 topics

Page 1 of 11
- Jump to page:
1
2
3
4
5
…
11
Next

Topics

Replies

Views

Last post

An Online Class in Astrophysics

Last post by Cathy Grimes « Sun Apr 11, 2021 11:04 pm
Replies: 3
by mikemarotta » Sat Mar 13, 2021 3:27 am

3 Replies

353 Views

Last post by Cathy Grimes
Sun Apr 11, 2021 11:04 pm
Early supermassive black hole discovered

Last post by Eva Braun « Tue Apr 06, 2021 6:44 am
Replies: 1
by brian livesey » Sat Oct 03, 2020 6:49 pm

1 Replies

1031 Views

Last post by Eva Braun
Tue Apr 06, 2021 6:44 am
Another Interstellar Visitor Is Headed Our Way

Last post by brian livesey « Mon Apr 05, 2021 9:08 pm
Replies: 2
by Brian » Thu Sep 12, 2019 4:48 pm

2 Replies

1443 Views

Last post by brian livesey
Mon Apr 05, 2021 9:08 pm
Most distant gamma ray burst

Last post by Eva Braun « Fri Apr 02, 2021 5:36 am
Replies: 1
by brian livesey » Wed Dec 16, 2020 4:32 pm

1 Replies

676 Views

Last post by Eva Braun
Fri Apr 02, 2021 5:36 am
Betelgeuse dimming enigma

Last post by brian livesey « Wed Mar 31, 2021 12:36 pm
Replies: 2
by brian livesey » Wed Jul 08, 2020 4:34 pm

2 Replies

845 Views

Last post by brian livesey
Wed Mar 31, 2021 12:36 pm
Lonesome planet

Last post by brian livesey « Tue Mar 30, 2021 5:48 pm
Replies: 2
by brian livesey » Fri Oct 30, 2020 6:54 pm

2 Replies

780 Views

Last post by brian livesey
Tue Mar 30, 2021 5:48 pm
Turbulent Jupiter

Last post by brian livesey « Sat Mar 20, 2021 8:51 pm

by brian livesey » Sat Mar 20, 2021 8:51 pm

0 Replies

327 Views

Last post by brian livesey
Sat Mar 20, 2021 8:51 pm
Solar Orbiter's first images of Sun

Last post by Cooper458 « Thu Mar 11, 2021 2:12 pm
Replies: 1
by brian livesey » Thu Jul 16, 2020 5:48 pm

1 Replies

769 Views

Last post by Cooper458
Thu Mar 11, 2021 2:12 pm
Remotest quasar and galaxy discoveries

Last post by Cooper458 « Thu Mar 11, 2021 11:32 am
Replies: 1
by brian livesey » Tue Mar 09, 2021 4:49 pm

1 Replies

144 Views

Last post by Cooper458
Thu Mar 11, 2021 11:32 am
Chicxulub: asteroid or sungrazer comet?

Last post by RMSteele « Thu Feb 18, 2021 12:19 pm
Replies: 4
by brian livesey » Wed Feb 17, 2021 5:45 pm

4 Replies

230 Views

Last post by RMSteele
Thu Feb 18, 2021 12:19 pm
The STEVE phenomenon

Last post by JohnM « Sun Feb 14, 2021 2:02 pm
Replies: 4
by brian livesey » Thu Nov 26, 2020 10:33 am

4 Replies

480 Views

Last post by JohnM
Sun Feb 14, 2021 2:02 pm
Amazing !

Last post by SunsetTwilight « Wed Feb 03, 2021 8:09 pm

by SunsetTwilight » Wed Feb 03, 2021 8:09 pm

0 Replies

630 Views

Last post by SunsetTwilight
Wed Feb 03, 2021 8:09 pm
Sirius shines brightly

Last post by SunsetTwilight « Sat Jan 30, 2021 7:52 pm
Replies: 2
by SunsetTwilight » Sat Jan 30, 2021 7:22 pm

2 Replies

173 Views

Last post by SunsetTwilight
Sat Jan 30, 2021 7:52 pm
Immaterialism

Last post by brian livesey « Sat Dec 19, 2020 7:28 am
Replies: 2
by brian livesey » Sun Aug 23, 2020 6:42 pm

2 Replies

982 Views

Last post by brian livesey
Sat Dec 19, 2020 7:28 am
Moriba K. Jah

Last post by mikemarotta « Sun Dec 13, 2020 5:13 pm
Replies: 2
by mikemarotta » Tue Dec 08, 2020 10:39 pm

2 Replies

249 Views

Last post by mikemarotta
Sun Dec 13, 2020 5:13 pm
Book Review:Hirshfeld's "Astronomy Activity and Laboratory Manual"

Last post by mikemarotta « Sun Dec 13, 2020 5:04 pm
Replies: 2
by mikemarotta » Tue Dec 08, 2020 2:44 pm

2 Replies

240 Views

Last post by mikemarotta
Sun Dec 13, 2020 5:04 pm
The Gaia three billion stars 3D Map

Last post by brian livesey « Fri Dec 04, 2020 5:30 pm

by brian livesey » Fri Dec 04, 2020 5:30 pm

0 Replies

880 Views

Last post by brian livesey
Fri Dec 04, 2020 5:30 pm
Cretaceous asteroid footnote

Last post by brian livesey « Fri Nov 20, 2020 4:37 pm
Replies: 2
by brian livesey » Fri Nov 20, 2020 11:44 am

2 Replies

260 Views

Last post by brian livesey
Fri Nov 20, 2020 4:37 pm
Is it a comet? ...

Last post by Brian « Wed Nov 18, 2020 5:50 pm
Replies: 1
by brian livesey » Wed Nov 18, 2020 7:35 am

1 Replies

257 Views

Last post by Brian
Wed Nov 18, 2020 5:50 pm
The ESA Ariel Space Telescope

Last post by brian livesey « Sat Nov 14, 2020 6:06 pm

by brian livesey » Sat Nov 14, 2020 6:06 pm

0 Replies

1074 Views

Last post by brian livesey
Sat Nov 14, 2020 6:06 pm
K2-141b: a bizzare exoplanet

Last post by Cliff « Thu Nov 12, 2020 7:21 pm
Replies: 1
by brian livesey » Sat Nov 07, 2020 5:23 pm

1 Replies

238 Views

Last post by Cliff
Thu Nov 12, 2020 7:21 pm
How an ice age begins and ends

Last post by brian livesey « Tue Nov 10, 2020 6:55 am
Replies: 2
by brian livesey » Sun Oct 18, 2020 11:17 am

2 Replies

285 Views

Last post by brian livesey
Tue Nov 10, 2020 6:55 am
Nobel Prize for Physics for Roger Penrose

Last post by brian livesey « Wed Oct 07, 2020 8:05 pm

by brian livesey » Wed Oct 07, 2020 8:05 pm

0 Replies

845 Views

Last post by brian livesey
Wed Oct 07, 2020 8:05 pm
The limit to look back time ..

Last post by brian livesey « Sun Oct 04, 2020 1:55 pm

by brian livesey » Sun Oct 04, 2020 1:55 pm

0 Replies

1128 Views

Last post by brian livesey
Sun Oct 04, 2020 1:55 pm
Giant planet found orbiting a white dwarf

Last post by Eva Braun « Thu Oct 01, 2020 9:49 am
Replies: 1
by brian livesey » Thu Sep 17, 2020 10:22 am

1 Replies

331 Views

Last post by Eva Braun
Thu Oct 01, 2020 9:49 am
Earth's altered atmosphere

Last post by brian livesey « Wed Sep 30, 2020 8:17 pm
Replies: 3
by brian livesey » Wed Sep 30, 2020 10:34 am

3 Replies

447 Views

Last post by brian livesey
Wed Sep 30, 2020 8:17 pm
Do white dwarfs harbor habitable "zombie" planets?

Last post by brian livesey « Tue Sep 08, 2020 8:21 pm

by brian livesey » Tue Sep 08, 2020 8:21 pm

0 Replies

1003 Views

Last post by brian livesey
Tue Sep 08, 2020 8:21 pm
Carrington-scale solar storms more frequent than previously thought

Last post by Brian « Thu Sep 03, 2020 3:53 pm
Replies: 4
by Brian » Tue Sep 01, 2020 6:16 pm

4 Replies

392 Views

Last post by Brian
Thu Sep 03, 2020 3:53 pm
Martian airglow

Last post by brian livesey « Wed Aug 26, 2020 2:54 pm

by brian livesey » Wed Aug 26, 2020 2:54 pm

0 Replies

885 Views

Last post by brian livesey
Wed Aug 26, 2020 2:54 pm
The nature of time

Last post by brian livesey « Fri Aug 21, 2020 6:41 pm

by brian livesey » Fri Aug 21, 2020 6:41 pm

0 Replies

925 Views

Last post by brian livesey
Fri Aug 21, 2020 6:41 pm
The Kinman Dwarf galaxy's missing star

Last post by brian livesey « Sun Jul 19, 2020 4:18 pm

by brian livesey » Sun Jul 19, 2020 4:18 pm

0 Replies

989 Views

Last post by brian livesey
Sun Jul 19, 2020 4:18 pm
New date set for Webb Space Telescope launch

Last post by brian livesey « Sun Jul 19, 2020 11:07 am
Replies: 2
by brian livesey » Sat Jul 18, 2020 6:25 pm

2 Replies

500 Views

Last post by brian livesey
Sun Jul 19, 2020 11:07 am
Remote ring Galaxy discovered

Last post by brian livesey « Sun Jul 12, 2020 12:51 pm

by brian livesey » Sun Jul 12, 2020 12:51 pm

0 Replies

868 Views

Last post by brian livesey
Sun Jul 12, 2020 12:51 pm
A new angle on the Cretaceous asteroid

Last post by brian livesey « Fri Jul 10, 2020 2:10 pm

by brian livesey » Fri Jul 10, 2020 2:10 pm

0 Replies

858 Views

Last post by brian livesey
Fri Jul 10, 2020 2:10 pm
global dimming the forgotten ? it should not be

Last post by skyhawk « Wed Mar 04, 2020 3:00 pm

by skyhawk » Wed Mar 04, 2020 3:00 pm

0 Replies

2498 Views

Last post by skyhawk
Wed Mar 04, 2020 3:00 pm
Sharpless-308

Last post by brian livesey « Tue Mar 03, 2020 11:41 am

by brian livesey » Tue Mar 03, 2020 11:41 am

0 Replies

2815 Views

Last post by brian livesey
Tue Mar 03, 2020 11:41 am
Superblast from the past

Last post by brian livesey « Sat Feb 29, 2020 11:04 am

by brian livesey » Sat Feb 29, 2020 11:04 am

0 Replies

2833 Views

Last post by brian livesey
Sat Feb 29, 2020 11:04 am
Betelgeuse is brightening ..

Last post by brian livesey « Sat Feb 22, 2020 10:52 am
Replies: 6
by brian livesey » Fri Feb 21, 2020 11:39 am

6 Replies

3052 Views

Last post by brian livesey
Sat Feb 22, 2020 10:52 am
Solar Orbiter

Last post by brian livesey « Wed Feb 05, 2020 10:32 am

by brian livesey » Wed Feb 05, 2020 10:32 am

0 Replies

3226 Views

Last post by brian livesey
Wed Feb 05, 2020 10:32 am
Cretaceous asteroid rethink

Last post by brian livesey « Fri Jan 17, 2020 11:07 am

by brian livesey » Fri Jan 17, 2020 11:07 am

0 Replies

3636 Views

Last post by brian livesey
Fri Jan 17, 2020 11:07 am
Asteroid Vatiras

Last post by Brian « Mon Jan 13, 2020 5:50 pm
Replies: 1
by brian livesey » Mon Jan 13, 2020 10:35 am

1 Replies

2633 Views

Last post by Brian
Mon Jan 13, 2020 5:50 pm
Earth impacts more frequent..

Last post by brian livesey « Wed Jan 08, 2020 10:44 am
Replies: 2
by brian livesey » Tue Jan 07, 2020 11:56 am

2 Replies

1542 Views

Last post by brian livesey
Wed Jan 08, 2020 10:44 am
M77

Last post by brian livesey « Tue Dec 17, 2019 12:37 pm

by brian livesey » Tue Dec 17, 2019 12:37 pm

0 Replies

1334 Views

Last post by brian livesey
Tue Dec 17, 2019 12:37 pm
Solar minimum heading for spotless record

Last post by Brian « Mon Dec 09, 2019 9:33 pm
Replies: 1
by brian livesey » Mon Dec 09, 2019 11:48 am

1 Replies

969 Views

Last post by Brian
Mon Dec 09, 2019 9:33 pm
M94

Last post by brian livesey « Mon Dec 02, 2019 10:43 am

by brian livesey » Mon Dec 02, 2019 10:43 am

0 Replies

1370 Views

Last post by brian livesey
Mon Dec 02, 2019 10:43 am
The Thirty Meter Telescope protests

Last post by Brian « Fri Nov 22, 2019 5:04 pm
Replies: 14
by brian livesey » Wed Jul 31, 2019 10:08 am

14 Replies

3113 Views

Last post by Brian
Fri Nov 22, 2019 5:04 pm
Hygiea upgrade?

Last post by brian livesey « Wed Oct 30, 2019 10:08 am

by brian livesey » Wed Oct 30, 2019 10:08 am

0 Replies

1585 Views

Last post by brian livesey
Wed Oct 30, 2019 10:08 am
Exoplanet pioneers share Nobel Prize

Last post by brian livesey « Wed Oct 09, 2019 9:34 am

by brian livesey » Wed Oct 09, 2019 9:34 am

0 Replies

1594 Views

Last post by brian livesey
Wed Oct 09, 2019 9:34 am
A pale blue exoplanet

Last post by Cliff « Fri Sep 20, 2019 5:44 pm
Replies: 4
by brian livesey » Sat Sep 14, 2019 12:25 pm

4 Replies

1643 Views

Last post by Cliff
Fri Sep 20, 2019 5:44 pm
What's an asteroid worth?

Last post by nayam « Tue Sep 03, 2019 9:50 am
Replies: 10
by brian livesey » Tue Jul 09, 2019 10:10 am

10 Replies

2539 Views

Last post by nayam
Tue Sep 03, 2019 9:50 am

New Topic

519 topics

Page 1 of 11
- Jump to page:
1
2
3
4
5
…
11
Next

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum