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..

Threads 41 to 60 of 2429

Threads in This Forum

Forum Tools
- Forum Tools
- Mark This Forum Read
- View Parent Forum
Search Forum
- Search Forum
- Show Threads Show Posts
  
  Advanced Search

Rating Title / Thread Starter

Replies/Views

Last Post By Reverse Sort Order

Sticky: Interesting astronomical events and observing tips Started by ricci70, October 20th, 2008 04:23 AM 2 Pages • 1 2	Replies: 129 Views: 24,097	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: 8,081	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: 19,815	Last Post By Dishmaster November 15th, 2008, 12:28 PM

Radio Astronomy Started by Challenger-X2, September 21st, 2014 04:52 AM	Replies: 3 Views: 705	Last Post By tk421 September 22nd, 2014, 06:31 PM
Could you freeze the sun? Started by Ginseng, July 30th, 2014 08:20 AM	Replies: 16 Views: 2,425	Last Post By 甘肃人 September 20th, 2014, 09:19 AM
Will we colonize the solar system in my life time? Started by Gurgeh, September 15th, 2014 01:47 AM	Replies: 43 Views: 1,292	Last Post By GoldenRatio September 20th, 2014, 04:29 AM
Black line crosses moon Started by MoonWolf, March 12th, 2009 09:41 AM 2 Pages • 1 2	Replies: 152 Views: 26,570	Last Post By John Galt September 19th, 2014, 11:10 AM
Should mass vanish if 0 Kelvin is actually enforced into a system? Started by Lia, September 17th, 2014 12:54 PM	Replies: 3 Views: 482	Last Post By mathman September 17th, 2014, 04:34 PM
0 Kelvin PPL!! Started by Lia, September 11th, 2014 10:51 AM	Replies: 2 Views: 559	Last Post By PhDemon September 11th, 2014, 03:49 PM
Sept., 11 th 2014 ~ NEWS.. Started by astromark, September 10th, 2014 11:47 PM	Replies: 3 Views: 541	Last Post By dan hunter September 11th, 2014, 04:40 AM
Black Hole-Particles-Speed of light Started by Redic, September 4th, 2014 06:54 PM	Replies: 9 Views: 829	Last Post By astromark September 9th, 2014, 12:53 AM
Is it possible to have a disc planet? Started by hencook, September 3rd, 2014 12:49 AM	Replies: 3 Views: 485	Last Post By exchemist September 5th, 2014, 04:21 AM
Is it scientifically impossible to recreate our universe in the lab? Started by gthich, August 25th, 2014 12:06 PM	Replies: 14 Views: 799	Last Post By Write4U September 4th, 2014, 04:17 PM
Why does the sun have differential rotation rates Started by dan hunter, August 20th, 2014 09:12 PM	Replies: 99 Views: 1,346	Last Post By John Galt September 2nd, 2014, 03:50 AM
Did the ancient Indians know about all the planets in our solar system? Started by mrh214, September 1st, 2014 03:07 PM	Replies: 3 Views: 1,947	Last Post By John Galt September 2nd, 2014, 12:34 AM
Which way South on WMAP Started by Bjarne, August 31st, 2014 02:47 AM	Replies: 2 Views: 337	Last Post By astromark August 31st, 2014, 05:28 AM
Moved: Infinity: fact, fiction, solution. Started by socratus, August 27th, 2014 06:37 AM	Replies: - Views: -
Is the 4D time-space continuum real? Started by dan hunter, August 13th, 2014 04:06 PM	Replies: 21 Views: 907	Last Post By marcbo August 27th, 2014, 07:35 AM
Moved: A hypothesis regarding dark matter Started by GoldenRatio, August 25th, 2014 01:57 AM	Replies: - Views: -
Is the speed of light really a constant? Started by ultimatesceptic, August 2nd, 2014 04:20 PM 2 Pages • 1 2	Replies: 173 Views: 4,459	Last Post By bangstrom August 24th, 2014, 02:22 PM
How hot is dark matter? Started by Typ33, August 20th, 2014 11:25 AM	Replies: 10 Views: 615	Last Post By Mayflow August 23rd, 2014, 09:31 PM
The Big Bang Started by geordief, August 19th, 2014 05:54 PM	Replies: 2 Views: 357	Last Post By geordief August 20th, 2014, 08:54 AM
Supermassive Black Holes Started by spectre, August 3rd, 2014 05:43 AM	Replies: 2 Views: 438	Last Post By MindlessMath August 13th, 2014, 04:31 PM