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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: 18,607
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: 5,558
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: 17,859
November 15th, 2008, 12:28 PM Go to last post

What Shape Would You Prefer For A Starship And Why?

Started by lorbo, December 10th, 2013 03:47 PM
2 Pages
1 2
Replies: 134
Views: 2,416
January 9th, 2014, 11:07 PM Go to last post

Does lack of Mass Create Time ????

Started by tsafa, October 25th, 2013 04:29 PM
2 Pages
1 2
Replies: 130
Views: 1,219
November 25th, 2013, 01:37 AM Go to last post

what led up to the "Big Bang"?

Started by charles brough, February 23rd, 2007 12:44 PM
2 Pages
1 2
Replies: 128
Views: 7,759
April 18th, 2007, 06:35 AM Go to last post

Heisenberg's Uncertainty Principle as applied to Black Holes

Started by kojax, January 27th, 2013 04:44 AM
2 Pages
1 2
Replies: 127
Views: 2,350
March 6th, 2013, 05:54 AM Go to last post
Lightbulb

Speed of Light, should be named different?

Started by Estheria Quintessimo, September 1st, 2013 02:16 PM
2 Pages
1 2
exploding, gravity distortion, spacetime, speed of light, sun
Replies: 126
Views: 1,555
September 15th, 2013, 03:45 AM Go to last post

Warping Space? Please help.

Started by ttcfraser, February 1st, 2009 01:27 AM
2 Pages
1 2
Replies: 125
Views: 6,984
March 15th, 2009, 03:06 PM Go to last post

Mathematics

Started by Mike NS, July 29th, 2006 07:57 AM
2 Pages
1 2
Replies: 121
Views: 7,325
October 1st, 2006, 10:56 AM Go to last post

Is Space Infinite.

Started by , September 19th, 2006 12:07 PM
2 Pages
1 2
Replies: 121
Views: 34,444
December 11th, 2006, 12:05 AM Go to last post

What Imbues the Higgs Boson with its Mass?

Started by Gary Anthony Kent, December 20th, 2011 03:17 AM
2 Pages
1 2
Replies: 116
Views: 3,646
February 12th, 2012, 05:31 PM Go to last post

Is the age of the universe the same in all frames?

Started by sigurdW, August 11th, 2012 11:02 AM
2 Pages
1 2
Replies: 116
Views: 2,298
August 18th, 2012, 11:44 PM Go to last post

Why we need a 5th dimension to undestand the shape of the Universe?

Started by dapifo, July 29th, 2012 10:31 AM
2 Pages
1 2
Replies: 115
Views: 2,593
August 11th, 2012, 03:12 PM Go to last post

Is the universe infinite?

Started by nimzo256, May 5th, 2011 06:25 AM
2 Pages
1 2
Replies: 106
Views: 4,600
August 19th, 2011, 01:38 AM Go to last post

Question about "Ancient Aliens"

Started by Tyrannosaurus Rex, July 3rd, 2013 09:08 AM
2 Pages
1 2
Replies: 101
Views: 3,024
October 1st, 2013, 07:32 PM Go to last post

Why does the sun have differential rotation rates

Started by dan hunter, August 20th, 2014 09:12 PM
Replies: 99
Views: 786
September 2nd, 2014, 03:50 AM Go to last post

Big Bang or no Bang?

Started by , August 20th, 2006 07:54 PM
Replies: 98
Views: 5,951
September 22nd, 2006, 06:52 AM Go to last post
Poll

Poll: SETI: Is it a waste of money?

Started by John Galt, July 29th, 2006 02:22 AM
Replies: 97
Views: 6,649
October 20th, 2006, 04:12 PM Go to last post

Steady State Universe

Started by Mike NS, November 12th, 2005 05:47 AM
Replies: 96
Views: 7,341
May 26th, 2007, 07:51 AM Go to last post

If you don't believe in BB, what are the alternatives?

Started by kojax, July 23rd, 2007 09:13 PM
Replies: 96
Views: 5,217
March 16th, 2014, 02:24 AM Go to last post

Origins of the Universe,,,,,,,,,,Bang or no Bang

Started by Harry Costas, July 17th, 2008 05:11 AM
Replies: 95
Views: 11,552
December 6th, 2008, 10:56 AM Go to last post

Did Time exist before Big Bang?

Started by Sohail, March 17th, 2008 10:05 AM
Replies: 94
Views: 11,822
April 9th, 2008, 08:36 AM Go to last post

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