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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 Thread Sticky: Interesting astronomical events and observing tips

Started by ricci70, October 20th, 2008 04:23 AM
2 Pages
1 2
Replies: 129
Views: 20,495
November 2nd, 2013, 08:36 AM Go to last post

Sticky Thread Sticky: The basis of modern cosmology

Started by DrRocket, January 4th, 2011 12:05 AM
Replies: 25
Views: 6,673
September 20th, 2011, 05:34 PM Go to last post

Sticky Thread Sticky: Rules on homework help - READ THIS BEFORE POSTING OR HELPING

Started by Dishmaster, November 15th, 2008 12:28 PM
Replies: 0
Views: 18,717
November 15th, 2008, 12:28 PM Go to last post

Artificial Meteor Shower

Started by JoeinCT, September 27th, 2017 11:26 AM
Replies: 8
Views: 815
September 29th, 2017, 02:17 PM Go to last post
Lightbulb

Question about light-years

Started by xcasper, August 26th, 2017 11:43 AM
astronomy, distance, light years, space, speed
Replies: 9
Views: 1,075
August 31st, 2017, 10:30 AM Go to last post

Atacama Desert.

Started by Halliday, August 27th, 2017 06:14 AM
Replies: 0
Views: 1,017
August 27th, 2017, 06:14 AM Go to last post
Unhappy

why is my neighbor covering his windows during the eclipse?

Started by kdw, August 20th, 2017 10:16 PM
eclipse
Replies: 6
Views: 697
August 25th, 2017, 04:14 PM Go to last post

Eclipse 2017

Started by GiantEvil, August 20th, 2017 08:26 AM
Replies: 10
Views: 744
August 23rd, 2017, 04:44 PM Go to last post

GMC or what?

Started by GiantEvil, June 8th, 2017 01:33 PM
Replies: 1
Views: 724
August 16th, 2017, 01:50 AM Go to last post

Why not have a bathing pool in space?

Started by CEngelbrecht, August 9th, 2017 11:28 AM
Replies: 14
Views: 769
August 15th, 2017, 09:34 PM Go to last post

Why is the BBT believed to be an accelerating expansion?

Started by kojax, October 4th, 2014 12:07 AM
Replies: 21
Views: 924
October 11th, 2014, 12:26 AM Go to last post

Rare Selenelion on wednesday

Started by GoldenRatio, October 5th, 2014 08:15 PM
Replies: 5
Views: 607
October 6th, 2014, 10:02 PM Go to last post

Dark matter and doppler effect

Started by Le Repteux, October 1st, 2014 08:52 AM
Replies: 5
Views: 702
October 2nd, 2014, 09:01 PM Go to last post

How do we know that black holes form?

Started by kojax, September 28th, 2014 01:28 PM
Replies: 8
Views: 656
October 1st, 2014, 11:44 PM Go to last post

Concening Europa's Eclipse Times?

Started by oliver_curtis, September 29th, 2014 05:34 PM
Replies: 6
Views: 721
September 30th, 2014, 08:20 PM Go to last post

What is known about the Surfaces of the Gas Giants?

Started by 甘肃人, September 30th, 2014 10:52 AM
Replies: 2
Views: 498
September 30th, 2014, 08:14 PM Go to last post

What would the universe look like if inflation did not occur?

Started by A_Seagull, September 29th, 2014 05:26 PM
Replies: 4
Views: 467
September 30th, 2014, 01:13 AM Go to last post
Replies: 7
Views: 677
September 28th, 2014, 01:35 PM Go to last post
Talking

Radio Astronomy

Started by Challenger-X2, September 21st, 2014 04:52 AM
radio astronomy
Replies: 3
Views: 547
September 22nd, 2014, 06:31 PM Go to last post
Question

Could you freeze the sun?

Started by Ginseng, July 30th, 2014 08:20 AM
Replies: 16
Views: 1,684
September 20th, 2014, 09:19 AM Go to last post

Will we colonize the solar system in my life time?

Started by Gurgeh, September 15th, 2014 01:47 AM
Replies: 43
Views: 915
September 20th, 2014, 04:29 AM Go to last post

Black line crosses moon

Started by MoonWolf, March 12th, 2009 09:41 AM
2 Pages
1 2
Replies: 152
Views: 24,080
September 19th, 2014, 11:10 AM Go to last post

Should mass vanish if 0 Kelvin is actually enforced into a system?

Started by Lia, September 17th, 2014 12:54 PM
Replies: 3
Views: 388
September 17th, 2014, 04:34 PM Go to last post

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