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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: 26,737
November 2nd, 2013, 08:36 AM Go to last post

Sticky Thread Sticky: The basis of modern cosmology

Started by DrRocket, January 4th, 2011 01:05 AM
Replies: 25
Views: 9,255
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 01:28 PM
Replies: 0
Views: 20,907
November 15th, 2008, 01:28 PM Go to last post

Are Free-floating Planets 'Planets'?

Started by Cogito Ergo Sum, June 4th, 2013 10:09 AM
Replies: 38
Views: 1,605
January 13th, 2014, 11:47 PM Go to last post
Question

Centrifugal habitat on the Moon?

Started by twixtfanatic, January 12th, 2014 11:57 PM
centrifuge, ecosystems, gravity, moon, physics
Replies: 10
Views: 854
January 13th, 2014, 08:09 PM Go to last post

The surface of the sun

Started by grmpysmrf, January 11th, 2014 06:07 PM
Replies: 7
Views: 494
January 12th, 2014, 05:05 AM Go to last post

Asteroid" behind the sun"

Started by laza, January 11th, 2014 09:03 AM
Replies: 3
Views: 1,212
January 11th, 2014, 04:01 PM Go to last post
Question

Question about an earth-like planet

Started by Gritty, January 8th, 2014 08:32 AM
Replies: 15
Views: 789
January 10th, 2014, 11:07 PM Go to last post

Paint your starship

Started by Pong, January 1st, 2014 07:53 AM
Replies: 15
Views: 1,121
January 10th, 2014, 06:09 PM Go to last post
Question

What are the most common particles in 'outer space vacuum'

Started by Muto-kun, January 9th, 2014 05:54 PM
outer space, particles, vacuum
Replies: 5
Views: 605
January 10th, 2014, 04:30 PM Go to last post
Replies: 3
Views: 431
January 10th, 2014, 05:45 AM Go to last post

What Shape Would You Prefer For A Starship And Why?

Started by lorbo, December 10th, 2013 04:47 PM
2 Pages
1 2
Replies: 134
Views: 4,805
January 10th, 2014, 12:07 AM Go to last post

tools for science and astronomy education

Started by sharonrot, November 5th, 2007 04:03 PM
Replies: 4
Views: 1,306
January 9th, 2014, 10:03 PM Go to last post
Replies: 61
Views: 2,268
January 6th, 2014, 04:19 PM Go to last post

Earth slowing down?

Started by space_earth_space, January 5th, 2014 02:12 AM
Replies: 4
Views: 517
January 5th, 2014, 03:16 AM Go to last post
Question

What would happen if there was no 'outer space'?

Started by Daankw, December 15th, 2013 09:04 AM
outer space, solar system
Replies: 12
Views: 853
December 28th, 2013, 10:51 PM Go to last post

Moved: Why FTL Travel Is Impossible In A Way...

Started by lorbo, December 24th, 2013 02:36 PM
Replies: -
Views: -
Replies: 7
Views: 562
December 23rd, 2013, 02:55 AM Go to last post

Faster space travel? (Don't hurt me, just random thoughts)

Started by metalhealth, February 17th, 2008 11:28 PM
Replies: 18
Views: 3,745
December 20th, 2013, 04:56 PM Go to last post

How far through the life of the Universe are we?

Started by Daecon, December 15th, 2013 05:40 PM
Replies: 11
Views: 769
December 19th, 2013, 11:24 PM Go to last post

Problem with starship travel

Started by zendra, December 6th, 2009 08:14 PM
Replies: 49
Views: 4,439
December 17th, 2013, 03:35 PM Go to last post

My Theory on how the Universe can Expand so Fast

Started by Dakirel, December 16th, 2013 05:03 PM
Replies: 5
Views: 481
December 16th, 2013, 07:13 PM Go to last post

Dark matter and it's entity

Started by sciencestudy, December 11th, 2013 04:59 AM
Replies: 13
Views: 855
December 14th, 2013, 03:35 AM Go to last post

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