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: Interesting astronomical events and observing tips Started by ricci70, October 20th, 2008 04:23 AM 2 Pages • 1 2	Replies: 129 Views: 17,472	Last Post By ricci70 November 2nd, 2013, 08:36 AM
Sticky: The basis of modern cosmology Started by DrRocket, January 4th, 2011 12:05 AM	Replies: 25 Views: 4,992	Last Post By Dishmaster September 20th, 2011, 05:34 PM
Sticky: Rules on homework help - READ THIS BEFORE POSTING OR HELPING Started by Dishmaster, November 15th, 2008 12:28 PM	Replies: 0 Views: 9,339	Last Post By Dishmaster November 15th, 2008, 12:28 PM

How to start the Universe? Started by Headdresser, February 12th, 2014 01:45 PM 2 Pages • 1 2	Replies: 109 Views: 1,576	Last Post By Dywyddyr April 24th, 2014, 09:04 AM
Please explain me how did universe came into existence? Started by Lawman, April 21st, 2014 01:51 AM	Replies: 16 Views: 218	Last Post By Strange April 23rd, 2014, 10:22 AM
is my understanding right or wrong? Started by dangar9, April 23rd, 2014 12:52 AM	Replies: 3 Views: 105	Last Post By Strange April 23rd, 2014, 04:46 AM
Is space expanding or is spacetime expanding? Started by polygon6, April 22nd, 2014 03:19 PM	Replies: 1 Views: 84	Last Post By Strange April 22nd, 2014, 04:00 PM
Pioneer 10 & 11 trajectory anomaly Started by Toshiyori, April 21st, 2014 02:56 PM	Replies: 3 Views: 80	Last Post By Toshiyori April 21st, 2014, 03:30 PM
International Space Station Started by Toshiyori, April 20th, 2014 10:01 AM	Replies: 4 Views: 94	Last Post By Chrispen Evan April 20th, 2014, 06:27 PM
Bigcrunch theory again, help me understand why scientists believe the universe is finite. Started by Raziell, April 20th, 2012 08:24 AM	Replies: 23 Views: 847	Last Post By Janus April 20th, 2014, 09:42 AM
Kepler-186f mass and radius Started by pyoko, April 17th, 2014 08:49 PM	Replies: 2 Views: 117	Last Post By pyoko April 18th, 2014, 12:40 AM
Why is the Moon moving farther away from the Earth? Started by dan hunter, April 17th, 2014 03:00 AM	Replies: 16 Views: 194	Last Post By Janus April 17th, 2014, 03:28 PM
Universe: Finite or Infinite? Started by TheGoneCase, February 9th, 2014 04:19 PM 2 Pages • 1 2	Replies: 151 Views: 1,603	Last Post By adelady April 16th, 2014, 11:22 AM
Questions about Birkeland Currents? Started by dan hunter, April 14th, 2014 10:36 PM	Replies: 6 Views: 91	Last Post By dan hunter April 16th, 2014, 12:41 AM
Publication question Started by Eagle9, March 26th, 2011 06:15 AM	Replies: 7 Views: 689	Last Post By SowZ37 April 15th, 2014, 05:10 PM
The density of the universe. Started by geordief, April 15th, 2014 05:17 AM	Replies: 40 Views: 297	Last Post By SowZ37 April 15th, 2014, 04:46 PM
Moved: Gravity upside down Started by H Sapien, April 15th, 2014 01:28 PM	Replies: - Views: -
Black line crosses moon Started by MoonWolf, March 12th, 2009 09:41 AM 2 Pages • 1 2	Replies: 144 Views: 17,104	Last Post By astromark April 15th, 2014, 12:27 AM
Are areas of the universe receding from each other at faster than light speeds? Started by geordief, April 13th, 2014 04:33 AM	Replies: 5 Views: 321	Last Post By geordief April 13th, 2014, 05:14 PM
I NEED someone good at astrology for this. Started by That_Inquisitive_Guy, April 10th, 2014 11:40 PM	Replies: 4 Views: 160	Last Post By Strange April 11th, 2014, 02:14 AM
Picture of Earth and Moon from Mars Started by Chucknorium, April 7th, 2014 09:45 AM	Replies: 7 Views: 244	Last Post By Chucknorium April 8th, 2014, 11:21 AM
How to blow up a Star? Started by Estheria Quintessimo, March 27th, 2014 10:37 PM	Replies: 6 Views: 194	Last Post By Janus April 5th, 2014, 11:58 AM
What is Space? Started by icewendigo, March 27th, 2014 08:40 AM	Replies: 50 Views: 466	Last Post By Cogito Ergo Sum April 3rd, 2014, 12:13 PM