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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: 129
Views: 20,633
November 2nd, 2013, 08:36 AM Go to last post

Sticky Thread Sticky: The basis of modern cosmology

Started by DrRocket, January 4th, 2011 12:05 AM
Replies: 25
Views: 6,943
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 12:28 PM
Replies: 0
Views: 21,591
November 15th, 2008, 12:28 PM Go to last post

A question about universe expansion.

Started by One beer, June 23rd, 2016 06:33 AM
Replies: 3
Views: 110
June 24th, 2016, 06:06 AM Go to last post

Life on Other Worlds appears to be a virtual certainty now.

Started by kojax, May 12th, 2016 11:35 PM
2 Pages
1 2
Replies: 105
Views: 1,421
June 17th, 2016, 07:31 AM Go to last post
Replies: 7
Views: 197
June 6th, 2016, 10:42 AM Go to last post

Big Rip

Started by Chrispen Evan, June 2nd, 2016 08:31 PM
Replies: 0
Views: 149
June 2nd, 2016, 08:31 PM Go to last post

Alien visitation, a virtual certainty now?

Started by kojax, May 23rd, 2016 09:15 PM
Replies: 1
Views: 147
May 23rd, 2016, 11:02 PM Go to last post

why are black holes black?

Started by dewy253, April 14th, 2016 06:30 PM
Replies: 61
Views: 1,189
May 12th, 2016, 09:11 AM Go to last post

Dumb Questions Encore

Started by zinjanthropos, April 19th, 2016 12:33 PM
Replies: 5
Views: 453
April 29th, 2016, 05:13 PM Go to last post
Exclamation

Object escaping a black hole, ejection of the corona?

Started by PreMedSpencer, April 21st, 2016 09:53 PM
Replies: 3
Views: 331
April 21st, 2016, 11:11 PM Go to last post

How light travels

Started by cosmictraveler, April 19th, 2016 06:30 PM
Replies: 7
Views: 386
April 20th, 2016, 04:06 PM Go to last post

Did Time exist before Big Bang?

Started by Sohail, March 17th, 2008 10:05 AM
2 Pages
1 2
Replies: 106
Views: 16,941
April 19th, 2016, 03:55 AM Go to last post
Replies: 7
Views: 377
April 17th, 2016, 07:30 PM Go to last post

Another interesting article on planet x or 9

Started by pineapple007, April 6th, 2016 10:14 PM
Replies: 2
Views: 436
April 13th, 2016, 09:58 AM Go to last post

help with planet brightness and gravitational wobble.

Started by paulohenry, March 29th, 2016 09:56 PM
colonization, gravity, surface brightness, wobble
Replies: 0
Views: 393
March 29th, 2016, 09:56 PM Go to last post

Precession of the perihelion of earth

Started by Bjarne, March 29th, 2016 02:37 AM
Replies: 1
Views: 629
March 29th, 2016, 05:08 AM Go to last post

The mass of giant stars

Started by Snotterkop, March 25th, 2016 02:16 PM
Replies: 5
Views: 527
March 27th, 2016, 03:45 AM Go to last post

Orbit Dynamic question

Started by Bjarne, March 19th, 2016 07:59 AM
Replies: 1
Views: 512
March 20th, 2016, 02:27 AM Go to last post

The Boss Great Wall

Started by pineapple007, March 13th, 2016 01:59 PM
Replies: 14
Views: 721
March 14th, 2016, 08:56 PM Go to last post

Whats with all of these space rocks

Started by pineapple007, March 2nd, 2016 09:33 PM
Replies: 7
Views: 672
March 13th, 2016, 01:50 PM Go to last post

The Sun's Axis

Started by MrMojo1, May 16th, 2012 10:29 AM
Replies: 7
Views: 3,270
March 4th, 2016, 12:04 PM Go to last post

Hawking radiation

Started by thomma, March 1st, 2016 03:20 PM
Replies: 4
Views: 537
March 1st, 2016, 06:46 PM Go to last post

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