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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: 17,695
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: 5,157
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: 13,549
November 15th, 2008, 12:28 PM Go to last post

Is the speed of light really a constant?

Started by ultimatesceptic, August 2nd, 2014 04:20 PM
2 Pages
1 2
Replies: 139
Views: 1,958
August 20th, 2014, 03:39 AM Go to last post

The Big Bang

Started by geordief, August 19th, 2014 05:54 PM
Replies: 0
Views: 26
August 19th, 2014, 05:54 PM Go to last post

Is the 4D time-space continuum real?

Started by dan hunter, August 13th, 2014 04:06 PM
Replies: 18
Views: 309
August 18th, 2014, 12:00 PM Go to last post
Question

Could you freeze the sun?

Started by Ginseng, July 30th, 2014 08:20 AM
Replies: 4
Views: 174
August 16th, 2014, 02:03 AM Go to last post

Supermassive Black Holes

Started by spectre, August 3rd, 2014 05:43 AM
Replies: 2
Views: 157
August 13th, 2014, 04:31 PM Go to last post

The Big Bang and a 4-d Black Hole.

Started by Daecon, August 11th, 2014 08:36 PM
Replies: 0
Views: 83
August 11th, 2014, 08:36 PM Go to last post

Dark Energy

Started by Chimoshi, June 15th, 2014 11:41 PM
Replies: 34
Views: 841
August 10th, 2014, 02:52 AM Go to last post

White holes

Started by skeptic, July 31st, 2014 06:08 PM
Replies: 6
Views: 187
August 1st, 2014, 02:31 PM Go to last post
Lightbulb

Power and other systems on Mars

Started by Blahgory, July 27th, 2014 08:52 PM
food, mars, power, sustainability, sustainable
Replies: 10
Views: 339
July 30th, 2014, 12:26 AM Go to last post

Swimming pool on the moon

Started by sth128, August 19th, 2013 03:16 PM
density, gravity, water
Replies: 22
Views: 824
July 29th, 2014, 10:31 AM Go to last post

Kiwaka app | Developing children’s interest in Astronomy

Started by Landka, July 25th, 2014 12:11 PM
Replies: 0
Views: 115
July 25th, 2014, 12:11 PM Go to last post

Timer

Started by xlowgan, July 24th, 2014 08:41 AM
Replies: 1
Views: 135
July 25th, 2014, 02:37 AM Go to last post

"The Black Hole at the Beginning of Time"

Started by Jagella, July 23rd, 2014 11:21 AM
Replies: 4
Views: 356
July 24th, 2014, 12:18 AM Go to last post

Black holes questions

Started by grmpysmrf, July 5th, 2014 12:53 PM
Replies: 38
Views: 417
July 23rd, 2014, 10:38 AM Go to last post

How close would our nearest neighbors be?

Started by WhyGuy, July 22nd, 2014 12:02 AM
Replies: 3
Views: 180
July 22nd, 2014, 05:51 PM Go to last post

Layers to astroids

Started by chero, July 16th, 2014 08:36 PM
Replies: 5
Views: 218
July 19th, 2014, 06:13 PM Go to last post

Mars. Dry after all.

Started by skeptic, July 11th, 2014 03:29 PM
Replies: 8
Views: 298
July 17th, 2014, 11:05 PM Go to last post

universal expansion

Started by Adamfw, July 14th, 2014 08:35 AM
Replies: 1
Views: 191
July 14th, 2014, 08:53 AM Go to last post
Replies: 5
Views: 179
July 13th, 2014, 05:23 PM Go to last post

Moved: why moon looks so much big at horizon

Started by mozarc, July 12th, 2014 11:29 PM
Replies: -
Views: -

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