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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 05:23 AM
2 Pages
1 2
Replies: 129
Views: 17,976
November 2nd, 2013, 09:36 AM Go to last post

Sticky Thread Sticky: The basis of modern cosmology

Started by DrRocket, January 4th, 2011 01:05 AM
Replies: 25
Views: 5,385
September 20th, 2011, 06:34 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: 20,022
November 15th, 2008, 01:28 PM Go to last post
Replies: 0
Views: 16
December 19th, 2014, 08:14 AM Go to last post

Rover finds methane in Mars air, organics in rocks

Started by cosmictraveler, December 17th, 2014 10:28 AM
Replies: 3
Views: 323
December 17th, 2014, 06:22 PM Go to last post

Factors making ET unlikely

Started by skeptic, December 8th, 2014 02:26 PM
Replies: 33
Views: 374
December 16th, 2014, 07:58 PM Go to last post

Comet's heavy water rules them out as source of Earth's water

Started by Lynx_Fox, December 12th, 2014 04:39 PM
Replies: 22
Views: 263
December 16th, 2014, 04:02 AM Go to last post

Does dark energy really matter?

Started by BlackCap, December 5th, 2014 06:41 PM
Replies: 7
Views: 208
December 16th, 2014, 02:29 AM Go to last post

Open Discussion of the 4th dimension.

Started by Nwolberg, December 11th, 2014 04:04 PM
Replies: 1
Views: 100
December 11th, 2014, 05:53 PM Go to last post

The Orion capsule

Started by cosmictraveler, December 5th, 2014 09:58 AM
Replies: 7
Views: 146
December 5th, 2014, 05:56 PM Go to last post

Mars Flowing water might have been periodic

Started by Lynx_Fox, November 21st, 2014 09:33 AM
Replies: 17
Views: 334
December 5th, 2014, 12:29 PM Go to last post

New and old models of our solar system

Started by cosmictraveler, December 3rd, 2014 09:26 AM
Replies: 2
Views: 131
December 4th, 2014, 06:59 PM Go to last post

Biological activity from Mars

Started by Lynx_Fox, December 3rd, 2014 08:37 PM
Replies: 3
Views: 131
December 4th, 2014, 12:12 AM Go to last post

Round Craters

Started by zinjanthropos, December 2nd, 2014 10:40 PM
Replies: 2
Views: 105
December 3rd, 2014, 04:19 PM Go to last post

Speed of Light Question

Started by krowie13, December 1st, 2014 11:21 AM
Replies: 11
Views: 213
December 1st, 2014, 06:02 PM Go to last post

Question about speed of movement.

Started by marshallj, November 12th, 2014 12:31 PM
Replies: 7
Views: 228
December 1st, 2014, 12:55 AM Go to last post

Increasing the overall size of the Planet Mars

Started by Fluid space, May 25th, 2010 05:10 PM
Replies: 14
Views: 3,293
November 29th, 2014, 07:38 AM Go to last post

Is the Big Bang article in Wikipedia wrong?

Started by polygon6, November 3rd, 2014 02:26 PM
Replies: 12
Views: 444
November 28th, 2014, 05:04 PM Go to last post

Why is Ceres mass so low?

Started by Albator, November 27th, 2014 05:29 AM
Replies: 2
Views: 152
November 27th, 2014, 11:35 AM Go to last post

Artificial worlds

Started by skeptic, November 23rd, 2014 05:53 PM
Replies: 6
Views: 203
November 27th, 2014, 12:06 AM Go to last post

Philae lander sent in a surprise before going to sleep

Started by cosmictraveler, November 23rd, 2014 10:50 AM
Replies: 0
Views: 158
November 23rd, 2014, 10:50 AM Go to last post

Half of all stars may lie outside galaxies

Started by cosmictraveler, November 7th, 2014 08:50 AM
Replies: 42
Views: 853
November 22nd, 2014, 10:53 AM Go to last post

What is the bigger than a universe?

Started by Piggykid1, November 20th, 2014 12:28 AM
Replies: 6
Views: 230
November 21st, 2014, 04:36 AM Go to last post

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