Notices

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..

Page 12 of 123 FirstFirst ... 210111213142262112 ... LastLast
Threads 221 to 240 of 2451
Threads in This Forum
  Rating Title / Thread Starter Replies/Views Last Post ByReverse Sort Order

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: 20,725
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: 6,752
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: 18,781
November 15th, 2008, 12:28 PM Go to last post

Pale Blue Dot - Carl Sagan

Started by Jim Colyer, December 1st, 2013 02:02 PM
Replies: 1
Views: 403
December 1st, 2013, 06:16 PM Go to last post
Unhappy

Is there REALLY no center to the Universe?

Started by Cudamerica, November 26th, 2013 04:07 PM
center, redshift, space, speed of light, universe
Replies: 20
Views: 882
November 30th, 2013, 05:10 AM Go to last post

The Universe could be older, right ?

Started by laza, November 29th, 2013 09:46 AM
Replies: 7
Views: 305
November 29th, 2013, 08:10 PM Go to last post

Why!, do the Sun and the Earth not colllide?

Started by theorist, November 25th, 2013 06:31 PM
Replies: 50
Views: 717
November 28th, 2013, 02:02 PM Go to last post
Replies: 3
Views: 287
November 26th, 2013, 11:28 AM Go to last post

Multi-verse Expansion

Started by Cudamerica, November 25th, 2013 12:44 AM
bang, big, science, space, universe
Replies: 2
Views: 371
November 25th, 2013, 03:47 PM Go to last post
Replies: -
Views: -

Does lack of Mass Create Time ????

Started by tsafa, October 25th, 2013 04:29 PM
2 Pages
1 2
Replies: 130
Views: 1,290
November 25th, 2013, 01:37 AM Go to last post

Blackholes and where stars go

Started by danryan9575, November 23rd, 2013 10:01 PM
Replies: 2
Views: 299
November 25th, 2013, 12:58 AM Go to last post

Are we living inside a black hole?

Started by Sealeaf, September 7th, 2013 10:27 PM
2 Pages
1 2
Replies: 143
Views: 1,853
November 24th, 2013, 08:16 AM Go to last post

Brightest Explosion In the Universe Ever Seen

Started by cosmictraveler, November 22nd, 2013 06:24 AM
Replies: 2
Views: 437
November 23rd, 2013, 07:33 PM Go to last post

Mystery of the moon...

Started by ashwinvinoo, October 25th, 2013 07:30 AM
3 Pages
1 2 3
Replies: 206
Views: 2,725
November 22nd, 2013, 07:36 PM Go to last post

The Curious Case of Kepler-78b.

Started by Cogito Ergo Sum, November 1st, 2013 10:20 AM
Replies: 43
Views: 804
November 22nd, 2013, 03:50 AM Go to last post
Talking Replies: 3
Views: 349
November 22nd, 2013, 03:44 AM Go to last post

Why aren't we the center of the universe?

Started by The Huntsman, November 2nd, 2013 04:58 AM
Replies: 87
Views: 1,547
November 22nd, 2013, 01:36 AM Go to last post

Relatevistic Acceleration and Intertia ?

Started by Bjarne, November 20th, 2013 08:51 AM
Replies: 4
Views: 355
November 21st, 2013, 01:25 AM Go to last post
Replies: 34
Views: 605
November 20th, 2013, 03:57 AM Go to last post

Photons? I am doubtful.

Started by Velexia, November 17th, 2013 06:18 AM
light, photons, quantum phsyics, relativity
Replies: 62
Views: 800
November 19th, 2013, 09:31 AM Go to last post

do black holes repel each other?

Started by supanova, November 18th, 2013 02:50 PM
Replies: 22
Views: 849
November 19th, 2013, 09:10 AM Go to last post

Infinite big bangs happening right now

Started by supanova, November 18th, 2013 01:47 PM
Replies: 2
Views: 336
November 18th, 2013, 09:43 PM Go to last post

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend
Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Posting Permissions
  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •