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 05:23 AM 2 Pages • 1 2	Replies: 129 Views: 18,171	Last Post By ricci70 November 2nd, 2013, 09:36 AM
Sticky: The basis of modern cosmology Started by DrRocket, January 4th, 2011 01:05 AM	Replies: 25 Views: 5,528	Last Post By Dishmaster September 20th, 2011, 06:34 PM
Sticky: Rules on homework help - READ THIS BEFORE POSTING OR HELPING Started by Dishmaster, November 15th, 2008 01:28 PM	Replies: 0 Views: 20,153	Last Post By Dishmaster November 15th, 2008, 01:28 PM

Scientists discover black hole so big it contradicts growth theory Started by cosmictraveler, February 25th, 2015 03:05 PM	Replies: 19 Views: 282	Last Post By Bad Robot March 1st, 2015, 05:14 PM
Big Bang, Deflated? Universe May Have Had No Beginning Started by cosmictraveler, February 27th, 2015 08:53 PM	Replies: 1 Views: 136	Last Post By Cogito Ergo Sum March 1st, 2015, 03:56 PM
Could a black hole split in that case? Started by Nic321, March 1st, 2015 02:13 PM	Replies: 4 Views: 36	Last Post By Nic321 March 1st, 2015, 03:49 PM
Free astrophotography compositing software? Started by smartie987, March 1st, 2015 02:57 PM	Replies: 0 Views: 16	Last Post By smartie987 March 1st, 2015, 02:57 PM
Do We Go? Started by zinjanthropos, February 28th, 2015 11:30 AM	Replies: 4 Views: 67	Last Post By Lynx_Fox March 1st, 2015, 01:48 PM
Bright Spots on Ceres Started by SowZ37, February 26th, 2015 11:30 PM	Replies: 7 Views: 134	Last Post By ErikS March 1st, 2015, 04:48 AM
Discovery! First Water Ice Clouds Found Beyond Our Solar System Started by goksel4321, February 27th, 2015 06:40 AM	Replies: 0 Views: 61	Last Post By goksel4321 February 27th, 2015, 06:40 AM
If You Could Tour The Solar System At The Speed Of Light, It Might Look Like This ! Started by goksel4321, February 27th, 2015 06:40 AM	Replies: 0 Views: 61	Last Post By goksel4321 February 27th, 2015, 06:40 AM
Why Haven't We Started Terraforming Mars Yet? Started by Chimoshi, February 12th, 2015 01:56 PM	Replies: 25 Views: 364	Last Post By Pong February 26th, 2015, 01:32 AM
Close shave! Started by skeptic, February 18th, 2015 01:35 PM	Replies: 29 Views: 299	Last Post By SowZ37 February 25th, 2015, 09:10 PM
A Solar System of Spheres Started by Wittmann, February 13th, 2015 05:39 PM	Replies: 22 Views: 294	Last Post By Daecon February 25th, 2015, 05:09 PM
Hypothetical new cosmological model known as Higgsogenesis Started by cosmictraveler, February 25th, 2015 02:47 PM	Replies: 0 Views: 57	Last Post By cosmictraveler February 25th, 2015, 02:47 PM
A question about foam and expansion Started by Daecon, February 18th, 2015 09:27 PM	Replies: 2 Views: 118	Last Post By Daecon February 20th, 2015, 04:16 AM
Smilie in space. Started by skeptic, February 11th, 2015 02:44 PM	Replies: 0 Views: 126	Last Post By skeptic February 11th, 2015, 02:44 PM
Quantum equation predicts universe has no beginning Started by Daecon, February 10th, 2015 05:24 PM	Replies: 2 Views: 165	Last Post By Strange February 11th, 2015, 03:10 AM
Riding Light video Started by Strange, February 6th, 2015 04:11 PM	Replies: 2 Views: 176	Last Post By Chrispen Evan February 7th, 2015, 06:12 PM
Star light, an expanding universe, and peering backwards in time? Started by skippy, November 5th, 2011 01:11 PM	Replies: 7 Views: 1,219	Last Post By Daecon February 1st, 2015, 07:28 PM
Spiral Galaxies Started by thomma, January 25th, 2015 03:01 PM	Replies: 7 Views: 302	Last Post By Strange January 27th, 2015, 03:11 PM
Double planet systems Started by Sealeaf, January 26th, 2015 01:46 AM	Replies: 4 Views: 191	Last Post By Sealeaf January 27th, 2015, 07:07 AM
Space farms Started by skeptic, January 1st, 2015 11:04 PM	Replies: 23 Views: 614	Last Post By whypie January 24th, 2015, 10:17 AM