Astronomy and Cosmology

New Topic

64 topics

Topics

Replies

Views

Last post

What is this transient object emitting pulses in both radio waves and X-rays?

Last post by user737 « Thu Sep 04, 2025 1:27 pm
Replies: 1
by Djchrismac » Sat May 31, 2025 5:21 pm

1 Replies

60145 Views

Last post by user737
Thu Sep 04, 2025 1:27 pm
Touchdown!

Last post by Gopi « Fri Sep 20, 2024 12:58 pm
Replies: 1
by user737 » Tue May 26, 2020 3:51 pm

1 Replies

60560 Views

Last post by Gopi
Fri Sep 20, 2024 12:58 pm
Comet Connections

Last post by Gopi « Fri Sep 20, 2024 12:58 pm
Replies: 1
by Djchrismac » Thu Dec 23, 2021 1:19 pm

1 Replies

64673 Views

Last post by Gopi
Fri Sep 20, 2024 12:58 pm
Earth's Magnetic Field

Last post by user737 « Tue May 26, 2020 4:18 pm
Replies: 5
by bperet » Mon Jul 02, 2018 11:09 am

5 Replies

57349 Views

Last post by user737
Tue May 26, 2020 4:18 pm
The Expanding Universe

Last post by Djchrismac « Tue May 19, 2020 6:14 am
Replies: 17
by user737 » Fri Apr 26, 2019 7:12 am
1

2
17 Replies

117454 Views

Last post by Djchrismac
Tue May 19, 2020 6:14 am
A Gamma ray burst, the Schumann resonance and a Tsunami

Last post by Djchrismac « Mon Apr 06, 2020 4:17 pm
Replies: 2
by Djchrismac » Mon Mar 09, 2020 3:48 pm

2 Replies

38043 Views

Last post by Djchrismac
Mon Apr 06, 2020 4:17 pm
Visibility of Stars and Galaxies (Problem)

Last post by Djchrismac « Sat Oct 19, 2019 7:51 am
Replies: 97
by bperet » Mon Oct 21, 2013 11:52 am
1

…

6

7

8

9

10
97 Replies

483988 Views

Last post by Djchrismac
Sat Oct 19, 2019 7:51 am
Cosmic superimposition

Last post by Raphael « Thu Aug 29, 2019 9:01 am
Replies: 9
by oreneorg » Sun Jan 22, 2017 6:02 am

9 Replies

71367 Views

Last post by Raphael
Thu Aug 29, 2019 9:01 am
Are planets setting the sun's pace?

Last post by animus « Sat Aug 03, 2019 12:44 pm
Replies: 11
by duane » Wed Oct 05, 2016 6:43 pm
1

2
11 Replies

89320 Views

Last post by animus
Sat Aug 03, 2019 12:44 pm
picture of black hole?

Last post by bperet « Sat Jun 08, 2019 10:32 am
Replies: 4
by duane » Wed Apr 10, 2019 10:24 am

4 Replies

47046 Views

Last post by bperet
Sat Jun 08, 2019 10:32 am
Giving Mars a Magnetosphere

Last post by user737 « Tue May 07, 2019 8:28 am

by user737 » Tue May 07, 2019 8:28 am

0 Replies

42500 Views

Last post by user737
Tue May 07, 2019 8:28 am
Planetary Analogues

Last post by Djchrismac « Tue Apr 09, 2019 4:35 am
Replies: 1
by Gopi » Sun Apr 07, 2019 6:51 pm

1 Replies

33723 Views

Last post by Djchrismac
Tue Apr 09, 2019 4:35 am
Redshift

Last post by Djchrismac « Tue Apr 02, 2019 2:17 pm
Replies: 1
by Gopi » Sat Mar 30, 2019 8:20 am

1 Replies

33765 Views

Last post by Djchrismac
Tue Apr 02, 2019 2:17 pm
John Dee on Astronomy

Last post by bperet « Sun Mar 10, 2019 12:17 pm
Replies: 1
by Gopi » Thu Mar 07, 2019 8:37 am

1 Replies

33961 Views

Last post by bperet
Sun Mar 10, 2019 12:17 pm
Juno Isn’t Exactly Where it’s Supposed To Be. The Flyby Anomaly is Back, But Why Does it Happen?

Last post by user737 « Wed Feb 27, 2019 2:02 pm
Replies: 1
by duane » Mon Dec 04, 2017 10:09 am

1 Replies

36854 Views

Last post by user737
Wed Feb 27, 2019 2:02 pm
RS2 and Seifert Events

Last post by bperet « Wed Jan 23, 2019 4:46 pm
Replies: 1
by Snowalker » Wed Jan 23, 2019 3:31 pm

1 Replies

33338 Views

Last post by bperet
Wed Jan 23, 2019 4:46 pm
Earth has Entered into a New Epoch Cosmic Rays

Last post by bperet « Thu Jul 05, 2018 12:03 pm
Replies: 1
by duane » Thu Jul 05, 2018 9:06 am

1 Replies

35482 Views

Last post by bperet
Thu Jul 05, 2018 12:03 pm
Scientists Discover "Thredules" in Earth's Inner Core

Last post by bperet « Sat Jun 30, 2018 9:28 am
Replies: 1
by bperet » Sun Sep 09, 2012 9:34 am

1 Replies

34396 Views

Last post by bperet
Sat Jun 30, 2018 9:28 am
The Sun as a Light-Emitting Diode (LED)

Last post by bperet « Wed Jun 06, 2018 9:41 am
Replies: 2
by bperet » Tue May 29, 2018 1:32 pm

2 Replies

37689 Views

Last post by bperet
Wed Jun 06, 2018 9:41 am
Astronomy v2

Last post by bperet « Sat Apr 28, 2018 10:08 am
Replies: 3
by bperet » Tue Apr 24, 2018 12:04 pm

3 Replies

41146 Views

Last post by bperet
Sat Apr 28, 2018 10:08 am
Moons with Moons

Last post by bperet « Fri Apr 27, 2018 9:21 am
Replies: 6
by bperet » Tue Apr 24, 2018 12:33 pm

6 Replies

51105 Views

Last post by bperet
Fri Apr 27, 2018 9:21 am
Cosmic Clocks: Galaxies Behave Like Clocks, Rotating Once Every Billion Years

Last post by bperet « Thu Mar 15, 2018 7:35 pm
Replies: 1
by duane » Thu Mar 15, 2018 12:40 pm

1 Replies

34322 Views

Last post by bperet
Thu Mar 15, 2018 7:35 pm
Nasa has found an entire solar system with as many planets as our own...

Last post by bperet « Tue Jan 23, 2018 10:01 am
Replies: 1
by Djchrismac » Tue Jan 23, 2018 4:04 am

1 Replies

34798 Views

Last post by bperet
Tue Jan 23, 2018 10:01 am
Nature article turns theory of stellar evolution upside-down

Last post by MWells « Sat Jan 13, 2018 11:48 pm

by MWells » Sat Jan 13, 2018 11:48 pm

0 Replies

41983 Views

Last post by MWells
Sat Jan 13, 2018 11:48 pm
Cool vid on Earth's expansion

Last post by jdalton4 « Fri Jan 12, 2018 8:52 am
Replies: 12
by blaine » Tue Feb 07, 2017 5:29 pm
1

2
12 Replies

89125 Views

Last post by jdalton4
Fri Jan 12, 2018 8:52 am

New Topic

64 topics

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