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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: 18,788
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: 5,877
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: 20,517
November 15th, 2008, 12:28 PM Go to last post

Day and Night Cycle on Earth (try to explain it)

Started by SkepticalMind, August 3rd, 2015 05:04 AM
Replies: 19
Views: 204
August 3rd, 2015, 12:05 PM Go to last post

Traveling back in time!

Started by sila, July 31st, 2015 06:50 PM
earth, past, traveling in time
Replies: 8
Views: 246
August 3rd, 2015, 11:40 AM Go to last post

When the universe die will be died forever?

Started by lightermahn, May 16th, 2015 07:14 AM
Replies: 7
Views: 418
July 31st, 2015, 05:43 PM Go to last post

Which asteroid did I see?

Started by otacon14112, July 21st, 2015 10:31 PM
asteroid, close, near miss, planetoid, threat
Replies: 7
Views: 301
July 30th, 2015, 03:33 PM Go to last post

Where does the solar system end?

Started by gaogier, July 28th, 2015 05:17 PM
Replies: 8
Views: 213
July 30th, 2015, 10:10 AM Go to last post
Lightbulb

Past and Present(can u answer it)

Started by XxWarsongxX, July 29th, 2015 04:22 AM
cats, dildo, hentai, horse, porn
Replies: 5
Views: 163
July 29th, 2015, 05:37 AM Go to last post

The center of the universe

Started by willow4500, July 12th, 2015 02:30 AM
Replies: 18
Views: 536
July 20th, 2015, 12:53 PM Go to last post

"The Black Hole at the Beginning of Time"

Started by Jagella, July 23rd, 2014 11:21 AM
Replies: 13
Views: 974
July 20th, 2015, 04:45 AM Go to last post

Size and time distribution of meteor impacts

Started by Jeaunse23, July 9th, 2015 05:01 AM
Replies: 1
Views: 168
July 13th, 2015, 07:49 AM Go to last post

Plumbing in space

Started by Genesis, July 5th, 2015 02:33 PM
Replies: 1
Views: 275
July 13th, 2015, 03:20 AM Go to last post

Binary Moon Question

Started by SowZ37, July 11th, 2015 03:34 PM
Replies: 3
Views: 175
July 11th, 2015, 04:37 PM Go to last post

UFO's.

Started by William G Grassic, June 14th, 2015 12:18 PM
Replies: 24
Views: 569
July 11th, 2015, 12:38 AM Go to last post

Multiverse problem?

Started by lightermahn, May 16th, 2015 03:22 AM
Replies: 52
Views: 863
July 9th, 2015, 08:16 AM Go to last post

NASA announces mission to Europa

Started by Lynx_Fox, June 26th, 2015 02:41 PM
Replies: 7
Views: 402
July 3rd, 2015, 10:31 PM Go to last post

Why is so much energy put into 'conventional' space travel?

Started by ngase, June 23rd, 2015 09:51 AM
Replies: 8
Views: 353
June 24th, 2015, 01:02 PM Go to last post

Thinking upon planetary establisment

Started by Buildit, June 14th, 2015 11:07 PM
Replies: 6
Views: 327
June 18th, 2015, 07:22 PM Go to last post

A cool interactive tool

Started by Buildit, June 17th, 2015 11:31 PM
Replies: 1
Views: 238
June 18th, 2015, 07:17 AM Go to last post

The Philae Lander has woken up

Started by geordief, June 14th, 2015 06:45 AM
Replies: 1
Views: 261
June 14th, 2015, 03:26 PM Go to last post

Does homogeneity imply isotropy? (and viceversa?)

Started by polygon6, June 10th, 2015 01:40 PM
Replies: 2
Views: 296
June 12th, 2015, 04:42 AM Go to last post

What's at the edge of the universe?

Started by Leonardus, May 17th, 2015 06:51 AM
2 Pages
1 2
Replies: 101
Views: 1,819
June 7th, 2015, 12:38 PM Go to last post

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