Page 1 of 614 1231151101501 ... LastLast
Threads 1 to 20 of 12274

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: 14,133
    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: 369,182
    2017-Jul-28, 07:46 PM Go to last post
  1. Disintegrating Planets - some recent news

    Started by Roger E. Moore, 2018-Jul-30 07:24 PM
    2 Pages
    1 2
    • Replies: 58
    • Views: 4,275
    Today, 01:08 AM Go to last post
  2. Sun Color Challenge

    Started by George, 2019-Jun-11 09:20 PM
    2 Pages
    1 2
    • Replies: 37
    • Views: 1,036
    Yesterday, 04:54 PM Go to last post
  3. Interstellar Comet

    Started by tony873004, 2017-Oct-25 07:19 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 160
    • Views: 17,228
    2019-Jun-22, 08:03 PM Go to last post
  4. Name 2007OR10

    Started by Tom Mazanec, 2017-Feb-13 10:24 PM
    • Replies: 22
    • Views: 1,699
    2019-Jun-22, 07:48 PM Go to last post
  5. Cool Saturn Opposes Sun - 2019 JUL 09

    Started by Centaur, 2019-Jun-22 05:24 PM
    • Replies: 0
    • Views: 26
    2019-Jun-22, 05:24 PM Go to last post
  6. Question Mysteries in Astronomy (my short list)

    Started by Roger E. Moore, 2018-Nov-15 02:56 AM
    2 Pages
    1 2
    enigmas, mysteries, strange events, the unknown
    • Replies: 55
    • Views: 3,187
    2019-Jun-18, 12:58 PM Go to last post
    • Replies: 47
    • Views: 4,382
    2019-Jun-14, 02:32 PM Go to last post
    • Replies: 23
    • Views: 2,155
    2019-Jun-13, 01:58 PM Go to last post
  7. Exclamation Superflares on the Sun

    Started by Roger E. Moore, 2019-Jun-11 01:49 PM
    superflares
    • Replies: 17
    • Views: 396
    2019-Jun-12, 08:50 PM Go to last post
  8. Cool Jupiter Opposes Sun - 2019 JUN 10

    Started by Centaur, 2019-May-30 06:14 PM
    • Replies: 1
    • Views: 142
    2019-Jun-12, 05:08 PM Go to last post
  9. Exclamation Dark Matter exists, end of discussion

    Started by Roger E. Moore, 2019-Apr-30 03:49 PM
    2 Pages
    1 2
    dark matter
    • Replies: 46
    • Views: 1,531
    2019-Jun-11, 05:14 PM Go to last post
  10. Cool Dual Shadow Transit Over Jupiter - 2019 JUN 11-12

    Started by Centaur, 2019-Jun-11 04:30 PM
    • Replies: 2
    • Views: 142
    2019-Jun-11, 05:01 PM Go to last post
    • Replies: 21
    • Views: 1,640
    2019-Jun-11, 01:19 PM Go to last post
    • Replies: 15
    • Views: 1,205
    2019-Jun-11, 12:50 PM Go to last post
    • Replies: 6
    • Views: 348
    2019-Jun-11, 02:30 AM Go to last post
    • Replies: 4
    • Views: 330
    2019-Jun-06, 07:44 PM Go to last post
  11. First image of a black hole on April 10, 2019

    Started by philippeb8, 2019-Apr-10 03:14 AM
    3 Pages
    1 2 3
    • Replies: 84
    • Views: 4,399
    2019-Jun-05, 05:22 PM Go to last post
  12. New Binary Black Hole GW event S190602aq

    Started by antoniseb, 2019-Jun-02 09:40 PM
    • Replies: 2
    • Views: 158
    2019-Jun-05, 12:40 PM Go to last post
  13. Hours left to name OR10! Get voting!

    Started by parallaxicality, 2019-May-09 07:30 PM
    • Replies: 7
    • Views: 349
    2019-Jun-03, 09:05 PM Go to last post
  14. Cool Mercury as Summer Evening Star

    Started by Centaur, 2019-May-26 04:45 PM
    • Replies: 1
    • Views: 149
    2019-Jun-03, 05:27 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
  •