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: 20,345	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: 6,591	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: 18,652	Last Post By Dishmaster November 15th, 2008, 12:28 PM

Moved: Accretion Disc Started by Dandave, June 24th, 2018 01:51 PM	Replies: - Views: -
Variant on giant-impact hypothesis - the origin of continents Started by CEngelbrecht, November 8th, 2017 12:28 PM	Replies: 2 Views: 896	Last Post By DaveC426913 May 6th, 2018, 08:21 PM
Dumb Questions Reborn Started by zinjanthropos, June 29th, 2017 10:20 PM	Replies: 72 Views: 2,984	Last Post By DaveC426913 May 6th, 2018, 08:14 PM
Presentation: Worldwide Digital Sundial Started by angelsun, February 28th, 2018 02:26 PM	Replies: 3 Views: 397	Last Post By DaveC426913 February 28th, 2018, 04:42 PM
Question Started by anaylor01, January 20th, 2018 09:48 AM	Replies: 23 Views: 841	Last Post By Jason Summer February 24th, 2018, 12:39 PM
If the Moon was the size of Mercury and much closer (ex:half the distance away) ? Started by icewendigo, December 1st, 2017 09:15 AM	Replies: 6 Views: 710	Last Post By Jason Summer February 24th, 2018, 12:18 PM
Moved: Big bang in buddhist pali tipitaka suttas Started by kheminda, February 21st, 2018 09:16 AM	Replies: - Views: -
Reaching The Stars Started by Photon Guy, January 10th, 2018 04:06 PM	Replies: 25 Views: 969	Last Post By ox January 16th, 2018, 05:27 AM
Magnetic reconnection, flux transfer events and atmospheric currents Started by AstralTraveler, December 17th, 2017 07:05 PM	Replies: 1 Views: 652	Last Post By Dywyddyr December 17th, 2017, 07:11 PM
Research projects for high schoolers Started by evanhen88, November 30th, 2017 09:03 PM	Replies: 1 Views: 533	Last Post By Racoln December 15th, 2017, 10:20 PM
Meteor varients Started by Genesis, November 30th, 2017 12:53 PM	Replies: 1 Views: 542	Last Post By Paleoichneum November 30th, 2017, 01:05 PM
Planets that are similar to Earth that have been hit by a Gamma Ray Burst. Started by RamenNoodles, November 17th, 2017 05:35 AM	Replies: 0 Views: 638	Last Post By RamenNoodles November 17th, 2017, 05:35 AM
Big Bang, CMB and Edwin Hubble Started by Jones2341, October 22nd, 2017 06:04 AM	Replies: 9 Views: 905	Last Post By Jones2341 October 23rd, 2017, 01:08 PM
Vacuums Started by geordief, October 18th, 2017 07:38 AM	Replies: 6 Views: 716	Last Post By exchemist October 19th, 2017, 02:26 AM
The mass of the early universe Started by geordief, October 9th, 2017 07:07 AM	Replies: 4 Views: 735	Last Post By tk421 October 17th, 2017, 05:28 PM
Stephen Hawking Says 'There Is No God' Started by cosmictraveler, September 25th, 2014 04:06 PM	Replies: 41 Views: 1,934	Last Post By Dywyddyr October 7th, 2017, 01:31 PM
Potential theory on a black hole's anomalistic features Started by konii, October 1st, 2017 02:58 AM	Replies: 2 Views: 725	Last Post By konii October 5th, 2017, 11:16 PM
can anyone identify this object Started by Genesis, September 23rd, 2017 03:10 PM	Replies: 21 Views: 1,014	Last Post By konii October 1st, 2017, 03:03 AM
Artificial Meteor Shower Started by JoeinCT, September 27th, 2017 11:26 AM	Replies: 8 Views: 795	Last Post By Janus September 29th, 2017, 02:17 PM
Question about light-years Started by xcasper, August 26th, 2017 11:43 AM	Replies: 9 Views: 1,054	Last Post By exchemist August 31st, 2017, 10:30 AM