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Forum: Astronomy

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  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: 5,770
    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: 329,841
    2017-Jul-28, 07:46 PM Go to last post
  1. Magnet panels.

    Started by peteshimmon, 2018-Apr-09 07:22 PM
    • Replies: 6
    • Views: 343
    Yesterday, 02:59 AM Go to last post
  2. Interstellar asteroid in orbit around our Sun

    Started by selvaarchi, 2018-May-21 03:35 PM
    • Replies: 3
    • Views: 87
    2018-May-22, 03:45 PM Go to last post
  3. Solar sibling radial velocity

    Started by Tom Mazanec, 2018-May-21 11:36 AM
    • Replies: 2
    • Views: 61
    2018-May-22, 01:18 PM Go to last post
  4. 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: 56
    • Views: 8,593
    2018-May-22, 12:16 PM Go to last post
  5. Second Gaia data release is tomorrow, 25 Apr 2018

    Started by selden, 2018-Apr-24 01:07 PM
    • Replies: 14
    • Views: 676
    2018-May-21, 02:59 PM Go to last post
  6. HR diagram for planets

    Started by parallaxicality, 2018-May-16 09:57 AM
    • Replies: 9
    • Views: 207
    2018-May-20, 05:57 PM Go to last post
  7. Cool May New Moon Spotting

    Started by Centaur, 2018-May-14 07:22 PM
    • Replies: 0
    • Views: 41
    2018-May-14, 07:22 PM Go to last post
  8. New Property of Type 1a Light Curves

    Started by trinitree88, 2018-May-11 04:12 PM
    • Replies: 0
    • Views: 103
    2018-May-11, 04:12 PM Go to last post
    • Replies: 0
    • Views: 55
    2018-May-11, 03:23 PM Go to last post
  9. How often do we get close passages?

    Started by Tom Mazanec, 2018-Apr-12 02:43 PM
    • Replies: 24
    • Views: 976
    2018-May-11, 03:09 AM Go to last post
    • Replies: 0
    • Views: 67
    2018-May-10, 04:31 PM Go to last post
  10. Moving Stars and Mass Hysteria

    Started by MongotheGreat, 2002-Jan-28 06:51 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 111
    • Views: 36,461
    2018-May-10, 02:16 AM Go to last post
  11. gravity and acceleration

    Started by parallaxicality, 2018-May-07 07:23 PM
    • Replies: 10
    • Views: 256
    2018-May-08, 07:02 PM Go to last post
  12. Popular Astronomy/Astrophysics Books

    Started by cjackson, 2014-Jun-16 06:47 AM
    2 Pages
    1 2
    • Replies: 52
    • Views: 7,461
    2018-May-05, 10:11 PM Go to last post
  13. Cool Jupiter Opposes Sun - 2018 MAY 08-09

    Started by Centaur, 2018-Apr-25 05:09 PM
    • Replies: 1
    • Views: 192
    2018-May-02, 02:46 PM Go to last post
  14. 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
  15. Astronomy in fifty years time...

    Started by peteshimmon, 2018-Apr-28 05:25 PM
    1 Deleted Post(s)
    • Replies: 12
    • Views: 731
    2018-May-01, 01:31 AM Go to last post
  16. Time Dilation on Type 1as and GRBs.

    Started by trinitree88, 2018-Apr-30 04:36 PM
    • Replies: 2
    • Views: 181
    2018-Apr-30, 05:40 PM Go to last post
  17. 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
  18. 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

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