Page 1 of 606 1231151101501 ... LastLast
Threads 1 to 20 of 12120

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: 5,754
    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: 329,727
    2017-Jul-28, 07:46 PM Go to last post
  1. Is Planet Nine almost certain, probable, possible or unlikely?

    Started by Tom Mazanec, 2016-Jun-13 04:01 PM
    2 Pages
    1 2
    1 Deleted Post(s)
    • Replies: 53
    • Views: 8,489
    Today, 06:51 PM Go to last post
    • Replies: 2
    • Views: 22
    Today, 04:17 PM Go to last post
  2. Solar sibling radial velocity

    Started by Tom Mazanec, Today 11:36 AM
    • Replies: 1
    • Views: 27
    Today, 03:09 PM Go to last post
  3. Second Gaia data release is tomorrow, 25 Apr 2018

    Started by selden, 2018-Apr-24 01:07 PM
    • Replies: 14
    • Views: 659
    Today, 02:59 PM Go to last post
  4. HR diagram for planets

    Started by parallaxicality, 2018-May-16 09:57 AM
    • Replies: 9
    • Views: 199
    Yesterday, 05:57 PM Go to last post
  5. Cool May New Moon Spotting

    Started by Centaur, 2018-May-14 07:22 PM
    • Replies: 0
    • Views: 40
    2018-May-14, 07:22 PM Go to last post
  6. New Property of Type 1a Light Curves

    Started by trinitree88, 2018-May-11 04:12 PM
    • Replies: 0
    • Views: 101
    2018-May-11, 04:12 PM Go to last post
    • Replies: 0
    • Views: 54
    2018-May-11, 03:23 PM Go to last post
  7. How often do we get close passages?

    Started by Tom Mazanec, 2018-Apr-12 02:43 PM
    • Replies: 24
    • Views: 971
    2018-May-11, 03:09 AM Go to last post
    • Replies: 0
    • Views: 66
    2018-May-10, 04:31 PM Go to last post
  8. Moving Stars and Mass Hysteria

    Started by MongotheGreat, 2002-Jan-28 06:51 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 111
    • Views: 36,439
    2018-May-10, 02:16 AM Go to last post
  9. gravity and acceleration

    Started by parallaxicality, 2018-May-07 07:23 PM
    • Replies: 10
    • Views: 252
    2018-May-08, 07:02 PM Go to last post
  10. Popular Astronomy/Astrophysics Books

    Started by cjackson, 2014-Jun-16 06:47 AM
    2 Pages
    1 2
    • Replies: 52
    • Views: 7,445
    2018-May-05, 10:11 PM Go to last post
  11. Cool Jupiter Opposes Sun - 2018 MAY 08-09

    Started by Centaur, 2018-Apr-25 05:09 PM
    • Replies: 1
    • Views: 191
    2018-May-02, 02:46 PM Go to last post
  12. Cool Moon Occults Mu Sagittarii - Predawn 2018 MAY 04

    Started by Centaur, 2018-May-01 05:07 PM
    • Replies: 0
    • Views: 113
    2018-May-01, 05:07 PM Go to last post
  13. Astronomy in fifty years time...

    Started by peteshimmon, 2018-Apr-28 05:25 PM
    1 Deleted Post(s)
    • Replies: 12
    • Views: 725
    2018-May-01, 01:31 AM Go to last post
  14. Time Dilation on Type 1as and GRBs.

    Started by trinitree88, 2018-Apr-30 04:36 PM
    • Replies: 2
    • Views: 178
    2018-Apr-30, 05:40 PM Go to last post
  15. Smile Moon Occults Gamma Librae 2018 APR 30-MAY 01

    Started by Centaur, 2018-Apr-28 04:08 PM
    • Replies: 1
    • Views: 157
    2018-Apr-28, 08:55 PM Go to last post
  16. Cool Eta Aquariid Meteor Shower Peaks 2018 MAY 05-06

    Started by Centaur, 2018-Apr-28 03:52 PM
    • Replies: 0
    • Views: 120
    2018-Apr-28, 03:52 PM Go to last post
  17. "Observing" solar eclipses with solar panels

    Started by lpetrich, 2018-Apr-27 08:43 AM
    • Replies: 1
    • Views: 200
    2018-Apr-28, 03:31 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
  •