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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: 18,606
November 2nd, 2013, 08:36 AM 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: 17,858
November 15th, 2008, 12:28 PM Go to last post

Sticky Thread Sticky: The basis of modern cosmology

Started by DrRocket, January 4th, 2011 12:05 AM
Replies: 25
Views: 5,558
September 20th, 2011, 05:34 PM Go to last post

I want to hear what you think of a parallel universe

Started by c_a_miller, April 14th, 2010 01:45 PM
Replies: 9
Views: 1,346
April 22nd, 2010, 03:03 PM Go to last post

I want to learn about the universe.

Started by Trophy_Scars, January 9th, 2009 03:29 PM
Replies: 5
Views: 2,916
January 22nd, 2009, 04:18 PM Go to last post

I would like to hear your views on my theory of creation

Started by moltoc, September 18th, 2006 07:24 PM
Replies: 11
Views: 1,648
September 9th, 2007, 03:31 AM Go to last post

Iceball Planets

Started by Aristarchus in Exile, March 23rd, 2012 12:37 PM
Replies: 4
Views: 475
March 29th, 2012, 06:58 AM Go to last post

ID, architects, pseudoscience and questions....

Started by ooberman, January 27th, 2009 04:27 PM
Replies: 3
Views: 816
January 29th, 2009, 12:29 PM Go to last post
Replies: -
Views: -

If a matter/anti-matter collision generated the b-bang...?

Started by FractalMind, September 7th, 2007 06:04 PM
Replies: 1
Views: 793
September 8th, 2007, 06:12 AM Go to last post

If a Star falls into a Black hole

Started by Genesis, May 7th, 2012 07:48 AM
Replies: 2
Views: 527
May 7th, 2012, 01:13 PM Go to last post
Lightbulb

If Black Holes are rips in space..

Started by Black hole geek, July 4th, 2012 12:25 AM
black, hole, short cut in space, space
Replies: 43
Views: 1,508
September 10th, 2012, 12:25 PM Go to last post

If Earth had a 45 degree tilt?

Started by willstaruss22, March 16th, 2013 06:08 AM
Replies: 3
Views: 637
March 18th, 2013, 04:59 AM Go to last post

If Mars was closer to the sun

Started by KTevolved, September 17th, 2012 12:51 PM
Replies: 16
Views: 1,165
September 21st, 2012, 10:36 PM Go to last post

If the Earth were detached from orbit ...

Started by Phantom, May 17th, 2009 06:04 PM
Replies: 22
Views: 3,730
September 9th, 2009, 02:46 PM Go to last post

If the Galaxy spins at the same rate...

Started by Wildstar, September 28th, 2010 01:40 PM
Replies: 14
Views: 1,695
October 6th, 2010, 11:16 PM Go to last post

If the observable universe?

Started by Quantime, April 1st, 2012 12:58 PM
Replies: 2
Views: 380
April 2nd, 2012, 12:57 PM Go to last post

If the outer molten core of earth cools enough to solidify,

Started by Joe L. Ogan, December 20th, 2009 03:56 PM
Replies: 11
Views: 2,250
December 22nd, 2009, 03:50 PM Go to last post
Replies: 7
Views: 421
December 7th, 2013, 04:34 AM Go to last post
Replies: 15
Views: 842
July 31st, 2013, 11:47 AM Go to last post

If Time itself started with the big bang

Started by kojax, October 6th, 2009 06:21 PM
Replies: 17
Views: 1,724
October 10th, 2009, 04:02 PM Go to last post

If Venus was placed in Mars' orbit?

Started by icewendigo, January 25th, 2010 08:44 AM
Replies: 1
Views: 1,342
January 27th, 2010, 12:05 PM Go to last post

If what Spaceship shape is best for flying in space?

Started by toxicpie, June 18th, 2008 01:42 PM
Replies: 18
Views: 3,981
June 20th, 2008, 12:50 PM Go to last post

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