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: 17,623	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: 5,118	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: 12,690	Last Post By Dishmaster November 15th, 2008, 12:28 PM

Power and other systems on Mars Started by Blahgory, July 27th, 2014 08:52 PM	Replies: 4 Views: 53	Last Post By Blahgory July 28th, 2014, 05:23 PM
Swimming pool on the moon Started by sth128, August 19th, 2013 03:16 PM	Replies: 19 Views: 691	Last Post By babe July 28th, 2014, 04:06 PM
Dark Energy Started by Chimoshi, June 15th, 2014 11:41 PM	Replies: 27 Views: 579	Last Post By PhDemon July 28th, 2014, 05:47 AM
Kiwaka app \| Developing children’s interest in Astronomy Started by Landka, July 25th, 2014 12:11 PM	Replies: 0 Views: 57	Last Post By Landka July 25th, 2014, 12:11 PM
Timer Started by xlowgan, July 24th, 2014 08:41 AM	Replies: 1 Views: 87	Last Post By Sealeaf July 25th, 2014, 02:37 AM
"The Black Hole at the Beginning of Time" Started by Jagella, July 23rd, 2014 11:21 AM	Replies: 4 Views: 171	Last Post By Implicate Order July 24th, 2014, 12:18 AM
Black holes questions Started by grmpysmrf, July 5th, 2014 12:53 PM	Replies: 38 Views: 345	Last Post By Bad Robot July 23rd, 2014, 10:38 AM
How close would our nearest neighbors be? Started by WhyGuy, July 22nd, 2014 12:02 AM	Replies: 3 Views: 124	Last Post By cosmictraveler July 22nd, 2014, 05:51 PM
Layers to astroids Started by chero, July 16th, 2014 08:36 PM	Replies: 5 Views: 174	Last Post By jjmckane July 19th, 2014, 06:13 PM
Mars. Dry after all. Started by skeptic, July 11th, 2014 03:29 PM	Replies: 8 Views: 230	Last Post By dan hunter July 17th, 2014, 11:05 PM
universal expansion Started by Adamfw, July 14th, 2014 08:35 AM	Replies: 1 Views: 138	Last Post By Implicate Order July 14th, 2014, 08:53 AM
Should gravitational lensing produce chromatic aberrations? Started by dan hunter, July 12th, 2014 11:18 PM	Replies: 5 Views: 125	Last Post By AlexG July 13th, 2014, 05:23 PM
Moved: why moon looks so much big at horizon Started by mozarc, July 12th, 2014 11:29 PM	Replies: - Views: -
What is the universe expanding into? Started by sabodriver17, December 25th, 2013 11:54 PM	Replies: 19 Views: 699	Last Post By garnet July 12th, 2014, 02:02 PM
Brian Greene - Space and Time into a single Continuum on YouTube Started by garnet, July 12th, 2014 07:36 AM	Replies: 0 Views: 110	Last Post By garnet July 12th, 2014, 07:36 AM
Why don't we turn Mars' wind into water? Started by TheFosterKid, July 5th, 2014 07:54 PM	Replies: 16 Views: 263	Last Post By fizzlooney July 11th, 2014, 11:48 AM
Question about steering while traveling really fast... Started by grmpysmrf, July 6th, 2014 01:21 AM	Replies: 0 Views: 95	Last Post By grmpysmrf July 6th, 2014, 01:21 AM
Oort Cloud Query Started by skeptic, June 30th, 2014 06:44 PM	Replies: 13 Views: 241	Last Post By BlasW July 5th, 2014, 03:36 PM
No dark energy??? Started by skeptic, July 4th, 2014 05:42 PM	Replies: 4 Views: 154	Last Post By skeptic July 4th, 2014, 11:04 PM
Time as a thing thoughts Started by grmpysmrf, January 27th, 2014 08:58 PM	Replies: 1 Views: 177	Last Post By tszy July 2nd, 2014, 09:25 AM