Page 51 of 619 FirstFirst ... 41495051525361101151551 ... LastLast
Threads 1001 to 1020 of 12378

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: 53
    • Views: 20,160
    2018-Apr-14, 04:06 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: 388,278
    2017-Jul-28, 07:46 PM Go to last post
  1. Discoveries from Planck may mean rethinking how the universe began

    Started by ASTRO BOY, 2013-Jul-26 10:25 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 113
    • Views: 23,563
    2013-Dec-31, 03:01 PM Go to last post
  2. Cool Possible Comet Collision with Mars

    Started by Centaur, 2013-Feb-27 01:18 AM
    9 Pages
    1 2 3 ... 9
    • Replies: 242
    • Views: 42,879
    2013-Dec-27, 11:25 PM Go to last post
  3. Halley's Comet accused !

    Started by galacsi, 2013-Dec-20 04:49 PM
    • Replies: 7
    • Views: 1,512
    2013-Dec-23, 05:38 PM Go to last post
  4. Nailing down the center of the galaxy

    Started by Jerry, 2013-Dec-11 04:38 PM
    • Replies: 1
    • Views: 594
    2013-Dec-16, 06:33 PM Go to last post
  5. Planet Locations for December Night Sky

    Started by solarsystem, 2013-Dec-16 10:10 AM
    jupiter, mars, mercury, night sky, planets
    • Replies: 0
    • Views: 4,468
    2013-Dec-16, 10:10 AM Go to last post
  6. Meteor explodes over Arizona

    Started by NEOWatcher, 2013-Dec-11 05:28 PM
    • Replies: 8
    • Views: 1,585
    2013-Dec-14, 10:24 AM Go to last post
  7. Will comet ison survive to perihelion?

    Started by Concerned, 2013-May-20 09:15 PM
    8 Pages
    1 2 3 ... 8
    • Replies: 222
    • Views: 45,856
    2013-Dec-09, 11:34 AM Go to last post
  8. ATLAST vs E-ELT

    Started by Tom Mazanec, 2013-Dec-02 02:10 PM
    • Replies: 5
    • Views: 1,113
    2013-Dec-06, 09:53 PM Go to last post
  9. Smile Astronomy Resources

    Started by Gorn, 2013-Dec-01 03:23 AM
    • Replies: 8
    • Views: 981
    2013-Dec-04, 05:36 PM Go to last post
  10. Skeptical Inq. article re. the Chelyabinsk event.

    Started by R.A.F., 2013-Dec-04 03:13 PM
    • Replies: 4
    • Views: 1,053
    2013-Dec-04, 04:34 PM Go to last post
  11. Dark Matter and Super-symmetry

    Started by TooMany, 2013-Nov-29 11:47 PM
    • Replies: 15
    • Views: 2,281
    2013-Dec-02, 05:39 PM Go to last post
  12. New Brown Dwarf Survey

    Started by kzb, 2013-Dec-02 12:58 PM
    • Replies: 0
    • Views: 527
    2013-Dec-02, 12:58 PM Go to last post
  13. Exclamation GRB 130427A - burst of the (quarter) century

    Started by Don Alexander, 2013-Apr-27 02:46 PM
    3 Pages
    1 2 3
    gamma-ray burst 3 Deleted Post(s)
    • Replies: 72
    • Views: 25,916
    2013-Dec-01, 01:10 AM Go to last post
  14. Oldest Minerals From Mars Found on Earth

    Started by SagittariusAStar, 2013-Nov-30 01:18 AM
    • Replies: 0
    • Views: 397
    2013-Nov-30, 01:18 AM Go to last post
  15. Infinitesimal Singularity?

    Started by Robert Tulip, 2013-Nov-08 01:43 AM
    7 Pages
    1 2 3 ... 7
    • Replies: 191
    • Views: 26,939
    2013-Nov-27, 07:27 AM Go to last post
  16. Who uses the word "tide" more often?

    Started by parallaxicality, 2013-Nov-23 06:42 PM
    • Replies: 9
    • Views: 1,033
    2013-Nov-25, 05:58 PM Go to last post
  17. Sun becoming a black dwarf

    Started by parallaxicality, 2013-Nov-21 01:03 PM
    • Replies: 7
    • Views: 1,139
    2013-Nov-25, 06:20 AM Go to last post
  18. 1970 total solar eclipse

    Started by Bad Bill, 2004-Jan-22 12:01 AM
    • Replies: 18
    • Views: 8,253
    2013-Nov-18, 10:49 PM Go to last post
  19. Will comet ison cause a CME?

    Started by Concerned, 2013-Apr-25 11:18 PM
    • Replies: 22
    • Views: 5,604
    2013-Nov-14, 07:29 PM Go to last post
  20. What was unexpected in lunar samples

    Started by Jairo, 2013-Oct-30 01:59 PM
    • Replies: 10
    • Views: 1,525
    2013-Nov-11, 09:50 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
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
  •