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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: 18,477
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: 17,848
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: 5,523
September 20th, 2011, 05:34 PM Go to last post

Time travel into the future

Started by StarMountainKid, May 13th, 2007 12:52 PM
Replies: 30
Views: 3,430
May 30th, 2007, 08:42 AM Go to last post

BBT question: What is there beyond CMBR and Redshift?

Started by kojax, June 11th, 2008 06:04 AM
Replies: 30
Views: 3,424
July 5th, 2008, 11:44 AM Go to last post
Poll

Poll: what would happen if aliens landed on earth??

Started by Lewis Pratt, July 7th, 2011 08:37 PM
Replies: 12
Views: 3,418
July 17th, 2011, 09:05 AM Go to last post

The galactic equator / dark rift

Started by leohopkins, March 22nd, 2009 02:04 PM
Replies: 10
Views: 3,410
June 18th, 2010, 07:39 PM Go to last post
Replies: 28
Views: 3,386
September 10th, 2009, 05:34 PM Go to last post

How to calculate orbit speed

Started by Bjarne, June 23rd, 2012 11:01 AM
Replies: 5
Views: 3,385
June 30th, 2012, 01:04 PM Go to last post

2012 a possible exclusion of life.

Started by genius, January 20th, 2007 05:14 PM
Replies: 28
Views: 3,361
February 5th, 2007, 04:07 AM Go to last post

why do things in our known universe tend to spiral in a plan

Started by spinner42, November 8th, 2007 06:41 PM
Replies: 22
Views: 3,358
December 21st, 2007, 01:33 PM Go to last post

confusing paragraph

Started by Jarwulf, January 18th, 2009 03:33 PM
Replies: 3
Views: 3,358
January 27th, 2009, 02:00 PM Go to last post

The Moon

Started by angrysoba, October 17th, 2006 10:34 AM
Replies: 24
Views: 3,357
January 17th, 2012, 11:38 PM Go to last post

Thickness of universe

Started by sak, May 3rd, 2008 03:56 PM
Replies: 20
Views: 3,355
May 26th, 2008, 09:28 PM Go to last post

A question on Gravity

Started by Taychon, July 14th, 2007 04:02 AM
Replies: 20
Views: 3,346
August 17th, 2007, 09:19 AM Go to last post

gravity

Started by lorddog, September 8th, 2008 11:43 AM
Replies: 29
Views: 3,340
December 16th, 2008, 07:10 AM Go to last post

Faster space travel? (Don't hurt me, just random thoughts)

Started by metalhealth, February 17th, 2008 10:28 PM
Replies: 18
Views: 3,334
December 20th, 2013, 03:56 PM Go to last post

The Expansionary Illusion

Started by neatchi, August 12th, 2007 08:47 PM
Replies: 32
Views: 3,317
August 21st, 2007, 03:13 PM Go to last post

Possible Problems With Space Travel

Started by XvishX, July 14th, 2006 10:09 AM
Replies: 18
Views: 3,290
July 17th, 2006, 02:54 PM Go to last post

Anthropic Principle

Started by nightskyjam, January 3rd, 2011 07:42 PM
Replies: 41
Views: 3,287
January 6th, 2011, 07:49 PM Go to last post

The Sun and the solar system

Started by kingwinner, January 23rd, 2006 12:42 PM
Replies: 3
Views: 3,276
January 29th, 2006, 06:38 AM Go to last post

Distant planet judged possibly habitable

Started by antares, April 24th, 2007 05:21 PM
Replies: 23
Views: 3,273
May 25th, 2007, 04:13 PM Go to last post

How long will the Earth continue to rotate?

Started by quantumintel, May 2nd, 2009 08:15 AM
Replies: 18
Views: 3,265
July 15th, 2010, 02:08 PM Go to last post

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