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: 22,508	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: 7,369	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: 19,246	Last Post By Dishmaster November 15th, 2008, 01:28 PM

Why do we gain sunlite "after the winter solstice" in the afternoon and not in the morning? Started by filix, January 18th, 2019 10:08 AM	Replies: 5 Views: 125	Last Post By filix January 19th, 2019, 09:10 AM
Dumb Questions Reborn Started by zinjanthropos, June 29th, 2017 11:20 PM	Replies: 91 Views: 4,138	Last Post By marnixR January 7th, 2019, 06:59 AM
effects of gravity Started by Genesis, December 1st, 2018 05:28 AM	Replies: 4 Views: 544	Last Post By Vexspits December 23rd, 2018, 12:10 PM
Stephen Hawking Says 'There Is No God' Started by cosmictraveler, September 25th, 2014 05:06 PM	Replies: 51 Views: 2,851	Last Post By ox November 25th, 2018, 08:20 AM
Is the Big Bang still banging? Started by GiantEvil, October 19th, 2018 03:17 PM	Replies: 4 Views: 605	Last Post By ox October 20th, 2018, 07:30 AM
Mars. Started by Halliday, July 28th, 2018 08:57 AM	Replies: 22 Views: 1,401	Last Post By mmatt9876 October 9th, 2018, 06:07 PM
Red shift Started by BobJeffs, July 22nd, 2018 06:41 PM	Replies: 0 Views: 783	Last Post By BobJeffs July 22nd, 2018, 06:41 PM
Variant on giant-impact hypothesis - the origin of continents Started by CEngelbrecht, November 8th, 2017 01:28 PM	Replies: 2 Views: 1,458	Last Post By DaveC426913 May 6th, 2018, 09:21 PM
Presentation: Worldwide Digital Sundial Started by angelsun, February 28th, 2018 03:26 PM	Replies: 3 Views: 852	Last Post By DaveC426913 February 28th, 2018, 05:42 PM
Question Started by anaylor01, January 20th, 2018 10:48 AM	Replies: 23 Views: 1,400	Last Post By Jason Summer February 24th, 2018, 01:39 PM
If the Moon was the size of Mercury and much closer (ex:half the distance away) ? Started by icewendigo, December 1st, 2017 10:15 AM	Replies: 6 Views: 1,223	Last Post By Jason Summer February 24th, 2018, 01:18 PM
Moved: Big bang in buddhist pali tipitaka suttas Started by kheminda, February 21st, 2018 10:16 AM	Replies: - Views: -
Reaching The Stars Started by Photon Guy, January 10th, 2018 05:06 PM	Replies: 25 Views: 1,562	Last Post By ox January 16th, 2018, 06:27 AM
Magnetic reconnection, flux transfer events and atmospheric currents Started by AstralTraveler, December 17th, 2017 08:05 PM	Replies: 1 Views: 1,163	Last Post By Dywyddyr December 17th, 2017, 08:11 PM
Research projects for high schoolers Started by evanhen88, November 30th, 2017 10:03 PM	Replies: 1 Views: 959	Last Post By Racoln December 15th, 2017, 11:20 PM
Meteor varients Started by Genesis, November 30th, 2017 01:53 PM	Replies: 1 Views: 1,011	Last Post By Paleoichneum November 30th, 2017, 02:05 PM
Planets that are similar to Earth that have been hit by a Gamma Ray Burst. Started by RamenNoodles, November 17th, 2017 06:35 AM	Replies: 0 Views: 1,190	Last Post By RamenNoodles November 17th, 2017, 06:35 AM
Big Bang, CMB and Edwin Hubble Started by Jones2341, October 22nd, 2017 07:04 AM	Replies: 9 Views: 1,448	Last Post By Jones2341 October 23rd, 2017, 02:08 PM
Vacuums Started by geordief, October 18th, 2017 08:38 AM	Replies: 6 Views: 1,238	Last Post By exchemist October 19th, 2017, 03:26 AM
The mass of the early universe Started by geordief, October 9th, 2017 08:07 AM	Replies: 4 Views: 1,187	Last Post By tk421 October 17th, 2017, 06:28 PM