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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: 24,862
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: 20,115
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: 8,422
September 20th, 2011, 05:34 PM Go to last post

Almost proof of life elsewhere

Started by Cyberia, January 22nd, 2009 04:11 PM
Replies: 8
Views: 1,418
January 29th, 2009, 09:54 AM Go to last post

expansion of space on small scales

Started by medlakeguy, March 5th, 2008 09:01 AM
Replies: 10
Views: 1,417
March 8th, 2008, 12:59 PM Go to last post

Metric expansion & cosmic redshift

Started by PetTastic, August 13th, 2010 11:58 PM
Replies: 1
Views: 1,416
August 14th, 2010, 04:14 PM Go to last post

Touchdown!!

Started by Zitterbewegung, May 26th, 2008 02:28 AM
Replies: 10
Views: 1,414
May 27th, 2008, 02:20 AM Go to last post

Revisiting Tired Light

Started by kojax, August 20th, 2007 12:10 AM
Replies: 3
Views: 1,412
August 25th, 2007, 09:00 PM Go to last post

Time travel is science-fiction

Started by Trurl, August 31st, 2006 08:48 AM
Replies: 5
Views: 1,411
September 5th, 2006, 12:00 PM Go to last post

Planets throwing comets off course

Started by Darth Lord Sidious, February 23rd, 2011 03:37 PM
Replies: 9
Views: 1,411
February 24th, 2011, 08:18 PM Go to last post

step towards terraforming

Started by parag1973, August 17th, 2011 01:44 PM
Replies: 11
Views: 1,411
September 13th, 2011, 11:25 PM Go to last post

Just What is the Meaning of This?

Started by DrCWho, April 18th, 2008 11:43 AM
Replies: 9
Views: 1,409
April 21st, 2008, 09:07 AM Go to last post

Research projects for high schoolers

Started by evanhen88, November 30th, 2017 09:03 PM
Replies: 1
Views: 1,409
December 15th, 2017, 10:20 PM Go to last post

Reflecting telescope

Started by (In)Sanity, August 27th, 2005 06:37 PM
Replies: 4
Views: 1,407
September 20th, 2005, 09:04 PM Go to last post

The gas giants.

Started by Cat1981(England), October 21st, 2007 08:20 AM
Replies: 5
Views: 1,407
October 22nd, 2007, 01:38 AM Go to last post

the energy of the universe

Started by leohopkins, December 14th, 2006 02:27 AM
Replies: 4
Views: 1,406
December 15th, 2006, 01:04 AM Go to last post

Hyperspace...worlds beyond comprehension!

Started by tritai, November 16th, 2008 11:36 AM
Replies: 6
Views: 1,405
November 19th, 2008, 01:31 AM Go to last post

Another dumb one

Started by zinjanthropos, November 8th, 2012 01:25 PM
Replies: 50
Views: 1,405
December 9th, 2012, 10:49 AM Go to last post

Ancient Attraction To The Sky

Started by J. Arthur, July 26th, 2006 03:53 AM
Replies: 6
Views: 1,403
August 3rd, 2006, 05:43 PM Go to last post

Astronomical spectroscopy

Started by emetzner, February 28th, 2009 12:58 PM
Replies: 4
Views: 1,402
April 26th, 2009, 05:45 AM Go to last post

Reviving the Mars?

Started by daggerwrist, January 5th, 2013 08:49 AM
Replies: 27
Views: 1,402
January 19th, 2013, 03:49 AM Go to last post

atmosphere

Started by parag1973, August 23rd, 2008 02:58 PM
Replies: 7
Views: 1,398
September 1st, 2008, 10:44 PM Go to last post

Redshift Components

Started by 1946cosmo, December 26th, 2008 06:31 AM
Replies: 20
Views: 1,398
January 14th, 2012, 08:48 AM Go to last post

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