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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: 18,598
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: 5,553
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: 17,854
November 15th, 2008, 12:28 PM Go to last post

Olbers paradox, a possible solution.

Started by , October 23rd, 2006 05:26 AM
Replies: 33
Views: 2,930
April 30th, 2013, 04:32 PM Go to last post

Phoenix, Mars, water, the moon

Started by free radical, June 1st, 2008 11:14 AM
Replies: 33
Views: 3,699
June 29th, 2008, 03:34 PM Go to last post

Why won't plants grow on Mars?

Started by Quantime, December 25th, 2009 05:36 PM
Replies: 33
Views: 10,999
October 3rd, 2012, 10:08 PM Go to last post

Expanding Universe

Started by griffithsuk, May 16th, 2011 10:40 PM
Replies: 33
Views: 2,436
May 25th, 2011, 12:44 PM Go to last post

Moved: the colour wheel and the blue shift

Started by luxtpm, March 20th, 2012 03:38 PM
Replies: -
Views: -

Big Bang

Started by Jim Colyer, November 28th, 2012 09:55 PM
Replies: 33
Views: 631
December 19th, 2012, 10:21 AM Go to last post

lorentz?

Started by curious mind, January 31st, 2013 08:07 PM
Replies: 33
Views: 705
February 15th, 2013, 02:36 AM Go to last post
Exclamation

Gravitational lensing or hot gas?

Started by PetTastic, August 9th, 2013 05:26 AM
Replies: 33
Views: 452
August 12th, 2013, 04:53 AM Go to last post

***From where is the origin of universe and big bang ***

Started by varunk, February 25th, 2005 06:51 AM
Replies: 32
Views: 5,502
July 11th, 2005, 02:37 AM Go to last post

Did Amerca land on the moon?

Started by Thamnophis, January 14th, 2006 10:41 AM
Replies: 32
Views: 4,899
June 21st, 2006, 11:03 AM Go to last post
Poll

Poll: Should we really invest in space research?

Started by mik3l, May 21st, 2007 01:38 PM
Replies: 32
Views: 5,817
June 14th, 2007, 10:20 AM Go to last post

My wonder about the universe...

Started by Lightingbird, August 10th, 2007 02:43 PM
Replies: 32
Views: 2,804
October 3rd, 2007, 11:39 AM Go to last post

The Expansionary Illusion

Started by neatchi, August 12th, 2007 08:47 PM
Replies: 32
Views: 3,319
August 21st, 2007, 03:13 PM Go to last post
Poll

Poll: Space shuttle

Started by ilikeick, February 2nd, 2008 10:21 PM
Replies: 32
Views: 3,588
February 7th, 2008, 05:36 PM Go to last post

Can accepted theories of the Universe be 99% wromg?

Started by ajg624, March 19th, 2008 04:48 PM
Replies: 32
Views: 3,218
March 31st, 2008, 04:34 AM Go to last post

alternatives to rocket fuel

Started by fuzzymechy, August 25th, 2008 12:06 AM
Replies: 32
Views: 3,132
September 1st, 2008, 12:30 PM Go to last post

Singularity and Event Horizon. Do they exist?

Started by Harry Costas, September 17th, 2008 04:29 AM
Replies: 32
Views: 4,063
October 28th, 2008, 10:23 AM Go to last post

Where did the Big Bang happen?

Started by nimzo256, April 18th, 2011 04:44 PM
Replies: 32
Views: 3,818
April 22nd, 2011, 02:48 PM Go to last post

the orbit in our galaxy

Started by logic, September 30th, 2011 07:26 AM
Replies: 32
Views: 1,464
October 28th, 2011, 12:09 PM Go to last post

Jupiter Earth connection

Started by DR. BLUEPRINT, April 10th, 2013 10:15 AM
earth, jupiter, moons, orbit
Replies: 32
Views: 818
April 17th, 2013, 05:19 PM Go to last post

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