Page 1 of 602 1231151101501 ... LastLast
Threads 1 to 20 of 12034

Forum: Astronomy

It's a big Universe. Talk about it here.

  1. Sticky Thread Sticky: The ULTIMATE Astronomy Quiz 2

    Started by antoniseb, 2017-Aug-01 11:41 AM
    2 Pages
    1 2
    • Replies: 52
    • Views: 3,401
    2017-Nov-18, 10:18 PM Go to last post
  2. Sticky Thread Sticky: The ULTIMATE astronomy quiz

    Started by Glom, 2005-Jun-19 12:19 AM
    176 Pages
    1 2 3 ... 176
    • Replies: 5,250
    • Views: 317,921
    2017-Jul-28, 07:46 PM Go to last post
  1. Interstellar Comet

    Started by tony873004, 2017-Oct-25 07:19 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 104
    • Views: 2,706
    Today, 09:22 PM Go to last post
  2. Is Planet Nine almost certain, probable, possible or unlikely?

    Started by Tom Mazanec, 2016-Jun-13 04:01 PM
    2 Pages
    1 2
    • Replies: 45
    • Views: 7,724
    Today, 08:37 PM Go to last post
    • Replies: 0
    • Views: 16
    Today, 06:40 PM Go to last post
  3. Cool Mercury as Winter Morning Star

    Started by Centaur, Today 06:05 PM
    • Replies: 0
    • Views: 14
    Today, 06:05 PM Go to last post
  4. Null Pulsar Emission

    Started by trinitree88, Yesterday 02:23 PM
    • Replies: 2
    • Views: 66
    Yesterday, 08:00 PM Go to last post
  5. Color Bullets for the Sun

    Started by George, 2017-Dec-02 06:42 PM
    2 Pages
    1 2
    • Replies: 45
    • Views: 574
    Yesterday, 12:12 AM Go to last post
  6. The universe makes no sense to the human brain !

    Started by kevin1981, 2013-Oct-12 12:25 PM
    3 Pages
    1 2 3
    • Replies: 62
    • Views: 7,434
    2017-Dec-12, 06:29 PM Go to last post
  7. New Kepler Announcement on Thursday

    Started by Warren Platts, 2017-Dec-11 06:19 PM
    • Replies: 1
    • Views: 98
    2017-Dec-11, 06:45 PM Go to last post
  8. Popular Astronomy/Astrophysics Books

    Started by cjackson, 2014-Jun-16 06:47 AM
    2 Pages
    1 2
    • Replies: 45
    • Views: 6,454
    2017-Dec-10, 02:48 AM Go to last post
    • Replies: 2
    • Views: 149
    2017-Dec-10, 01:46 AM Go to last post
  9. The Evolution of the Standard Candle....Sn1a's

    Started by trinitree88, 2017-Dec-08 07:48 PM
    • Replies: 1
    • Views: 95
    2017-Dec-08, 08:25 PM Go to last post
  10. Another central Milky Way massive black hole?

    Started by Cougar, 2017-Nov-05 02:26 PM
    2 Pages
    1 2
    • Replies: 40
    • Views: 973
    2017-Dec-07, 09:37 PM Go to last post
  11. Cool Geminid Meteor Shower - Peak 2017 DEC 13-14

    Started by Centaur, 2017-Dec-07 12:19 AM
    • Replies: 0
    • Views: 33
    2017-Dec-07, 12:19 AM Go to last post
  12. Pulsar glitches

    Started by trinitree88, 2017-Dec-06 02:16 PM
    • Replies: 0
    • Views: 54
    2017-Dec-06, 02:16 PM Go to last post
  13. scale invariance of the empty space

    Started by dtilque, 2017-Dec-05 03:11 AM
    • Replies: 2
    • Views: 110
    2017-Dec-05, 03:11 PM Go to last post
  14. Multi-component Dark Matter Halos

    Started by trinitree88, 2017-Dec-03 04:55 PM
    • Replies: 0
    • Views: 60
    2017-Dec-03, 04:55 PM Go to last post
  15. Problem Analyzing Type 1a's

    Started by trinitree88, 2017-Dec-02 08:22 PM
    • Replies: 1
    • Views: 93
    2017-Dec-02, 10:18 PM Go to last post
  16. Cool SuperMoons 2015-2034

    Started by Centaur, 2017-Dec-02 06:26 AM
    • Replies: 1
    • Views: 76
    2017-Dec-02, 08:43 AM Go to last post
    • Replies: 6
    • Views: 938
    2017-Dec-01, 04:10 PM Go to last post
  17. Are Saturn's moons younger than the dinosaurs?

    Started by m1omg, 2017-Nov-30 04:48 PM
    • Replies: 2
    • Views: 153
    2017-Dec-01, 11:40 AM 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
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •