Page 1 of 626 1231151101501 ... LastLast
Threads 1 to 20 of 12508

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: 25,896
    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: 414,790
    2017-Jul-28, 07:46 PM Go to last post
  1. Apollo 15 Landing Site

    Started by Superluminal, 2021-Jun-19 09:56 PM
    • Replies: 14
    • Views: 234
    Today, 04:16 PM Go to last post
  2. Smile Mercury as a Summer Morning Star

    Started by Centaur, Today 03:18 AM
    • Replies: 0
    • Views: 15
    Today, 03:18 AM Go to last post
  3. Homogeneous and Isotropic?

    Started by trinitree88, 2021-Jun-15 09:36 PM
    • Replies: 4
    • Views: 208
    2021-Jun-16, 08:15 PM Go to last post
  4. Nova in Hercules

    Started by Superluminal, 2021-Jun-13 06:10 AM
    • Replies: 1
    • Views: 96
    2021-Jun-14, 05:51 AM Go to last post
  5. Cool Asteroid 433 Eros Opposes Sun - 2021 JUN 19

    Started by Centaur, 2021-Jun-13 05:15 PM
    • Replies: 0
    • Views: 51
    2021-Jun-13, 05:15 PM Go to last post
  6. Subice oceans

    Started by Tom Mazanec, 2021-May-19 04:31 PM
    • Replies: 8
    • Views: 265
    2021-Jun-11, 03:57 PM Go to last post
  7. Cool June New Moon Spotting

    Started by Centaur, 2021-Jun-08 08:08 PM
    • Replies: 0
    • Views: 88
    2021-Jun-08, 08:08 PM Go to last post
    • Replies: 12
    • Views: 3,436
    2021-May-30, 02:03 PM Go to last post
  8. Cool Asteroid 3 Juno Opposes Sun 2021 JUN 06

    Started by Centaur, 2021-May-29 05:36 PM
    • Replies: 0
    • Views: 68
    2021-May-29, 05:36 PM Go to last post
    • Replies: 4
    • Views: 208
    2021-May-25, 01:20 AM Go to last post
  9. Barnard's Star has a sick sense of humor

    Started by parallaxicality, 2021-May-19 03:34 PM
    • Replies: 4
    • Views: 235
    2021-May-20, 04:07 PM Go to last post
  10. Cool Total Lunar Eclipse - 2021 MAY 26

    Started by Centaur, 2021-May-19 11:06 PM
    • Replies: 0
    • Views: 108
    2021-May-19, 11:06 PM Go to last post
  11. 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: 74
    • Views: 27,159
    2021-May-17, 07:08 PM Go to last post
  12. Broken Cable Damages Arecibo

    Started by Swift, 2020-Aug-12 03:36 PM
    3 Pages
    1 2 3
    • Replies: 67
    • Views: 4,267
    2021-May-17, 07:05 PM Go to last post
    • Replies: 0
    • Views: 113
    2021-May-17, 06:20 PM Go to last post
  13. Cosmic Voids

    Started by Launch window, 2021-May-17 05:07 PM
    • Replies: 0
    • Views: 134
    2021-May-17, 05:07 PM Go to last post
  14. China to launch a Hubble equivalent

    Started by selvaarchi, 2016-Mar-11 04:35 AM
    • Replies: 11
    • Views: 3,671
    2021-May-17, 04:54 PM Go to last post
  15. Smile Asteroid 324 Bamberga Opposes Sun - 2021 MAY 18

    Started by Centaur, 2021-May-16 05:23 PM
    • Replies: 0
    • Views: 122
    2021-May-16, 05:23 PM Go to last post
  16. Cool Lunar X - 2021 MAY 18

    Started by Centaur, 2021-May-15 07:21 PM
    • Replies: 0
    • Views: 140
    2021-May-15, 07:21 PM Go to last post
  17. Possible antistars?

    Started by Tom Mazanec, 2021-Apr-27 04:06 PM
    • Replies: 18
    • Views: 969
    2021-May-15, 05:01 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
  •