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Forum: Astronomy & Cosmology

The scientific study of matter in outer space and the astrophysical study of the history, structure, and constituent dynamics of the universe..

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Sticky Thread Sticky: Interesting astronomical events and observing tips

Started by ricci70, October 20th, 2008 04:23 AM
2 Pages
1 2
Replies: 131
Views: 35,982
August 28th, 2021, 01:56 PM Go to last post

Sticky Thread Sticky: The basis of modern cosmology

Started by DrRocket, January 4th, 2011 01:05 AM
Replies: 25
Views: 13,826
September 20th, 2011, 05:34 PM Go to last post

Sticky Thread Sticky: Rules on homework help - READ THIS BEFORE POSTING OR HELPING

Started by Dishmaster, November 15th, 2008 01:28 PM
Replies: 0
Views: 25,298
November 15th, 2008, 01:28 PM Go to last post
Question

Today morning 3:20 a star has been hidden

Started by Yusef, September 7th, 2021 05:01 AM
Replies: 11
Views: 300
September 17th, 2021, 01:45 PM Go to last post

Space debris

Started by keeseguy, April 7th, 2021 04:44 PM
Replies: 2
Views: 1,014
September 6th, 2021, 09:21 AM Go to last post

Maybe Einstein was wrong

Started by ox, May 29th, 2021 07:28 AM
Replies: 5
Views: 795
September 6th, 2021, 09:05 AM Go to last post

Challenge to cosmology

Started by ox, June 12th, 2021 06:29 AM
Replies: 2
Views: 715
September 6th, 2021, 09:01 AM Go to last post
Replies: 1
Views: 980
September 6th, 2021, 08:56 AM Go to last post

End of Universe situation

Started by Bakkerbaard, August 29th, 2021 06:32 PM
Replies: 4
Views: 291
September 1st, 2021, 03:15 PM Go to last post

3D printer for some space stuff

Started by bearnard bale66, May 14th, 2021 09:31 AM
Replies: 4
Views: 817
August 26th, 2021, 02:34 AM Go to last post
Replies: 9
Views: 1,180
August 26th, 2021, 02:29 AM Go to last post
Replies: 15
Views: 1,661
August 26th, 2021, 02:17 AM Go to last post
Replies: 5
Views: 1,328
August 26th, 2021, 02:11 AM Go to last post
Replies: 7
Views: 1,196
August 26th, 2021, 01:47 AM Go to last post

Merging Monsters: Black holes and neutron stars!

Started by Double Helix, June 30th, 2021 07:37 PM
Replies: 4
Views: 564
August 17th, 2021, 09:53 AM Go to last post

Are Black Holes Giant Dark Energy Stars-Chapline & Laugh

Started by CAW, February 1st, 2007 11:05 AM
Replies: 2
Views: 1,660
August 16th, 2021, 12:51 PM Go to last post

PROXIMA CENTUARI AND centuari A and centuari B

Started by ASUTOSHJHA, July 29th, 2021 03:26 AM
Replies: 3
Views: 477
August 5th, 2021, 03:35 AM Go to last post
Replies: 5
Views: 1,513
July 28th, 2021, 03:53 PM Go to last post
Replies: 7
Views: 839
ox
July 6th, 2021, 06:16 AM Go to last post

Can we remake plastic waste into rocket fuel?

Started by bearnard bale66, May 18th, 2021 06:43 AM
Replies: 6
Views: 886
June 3rd, 2021, 09:30 AM Go to last post

Gaia galaxy

Started by ox, May 18th, 2021 07:02 AM
Replies: 1
Views: 763
May 18th, 2021, 05:15 PM Go to last post
Replies: 0
Views: 1,036
March 26th, 2021, 03:03 PM Go to last post
Replies: 3
Views: 1,113
March 3rd, 2021, 04:43 AM Go to last post

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