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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: 19,728
    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: 386,888
    2017-Jul-28, 07:46 PM Go to last post
  1. Reasons for a Lunisolar Calendar

    Started by fagricipni, Yesterday 03:40 PM
    • Replies: 1
    • Views: 37
    Today, 03:08 AM Go to last post
  2. Cool April 7 SuperMoon NOT 2020 Brightest Moon

    Started by Centaur, 2020-Apr-05 05:37 PM
    • Replies: 3
    • Views: 52
    Today, 02:56 AM Go to last post
  3. Betelgeuse Fainting

    Started by Superluminal, 2019-Dec-23 05:28 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 154
    • Views: 9,409
    Today, 01:41 AM Go to last post
  4. Disintegrating Planets - some recent news

    Started by Roger E. Moore, 2018-Jul-30 07:24 PM
    3 Pages
    1 2 3
    • Replies: 81
    • Views: 9,677
    Yesterday, 11:11 PM Go to last post
    • Replies: 51
    • Views: 1,819
    Yesterday, 02:11 PM Go to last post
  5. Comet ATLAS thread: will it be visible to us, a Great Comet?

    Started by Roger E. Moore, 2020-Mar-20 12:44 PM
    2 Pages
    1 2
    • Replies: 32
    • Views: 1,581
    Yesterday, 01:24 AM Go to last post
    • Replies: 3
    • Views: 387
    2020-Apr-06, 06:09 PM Go to last post
  6. Popular Astronomy/Astrophysics Books

    Started by cjackson, 2014-Jun-16 06:47 AM
    3 Pages
    1 2 3
    • Replies: 66
    • Views: 14,981
    2020-Apr-06, 10:06 AM Go to last post
  7. Question Mysteries in Astronomy (my short list)

    Started by Roger E. Moore, 2018-Nov-15 02:56 AM
    3 Pages
    1 2 3
    enigmas, mysteries, strange events, the unknown
    • Replies: 89
    • Views: 10,086
    2020-Apr-05, 08:51 AM Go to last post
  8. Cool Venus by Pleiades - Evening April 3

    Started by Centaur, 2020-Apr-03 10:40 PM
    • Replies: 0
    • Views: 631
    2020-Apr-03, 10:40 PM Go to last post
  9. Exclamation Another interstellar comet coming in?

    Started by Roger E. Moore, 2019-Aug-08 10:40 PM
    • Replies: 27
    • Views: 3,505
    2020-Apr-03, 10:01 PM Go to last post
  10. Exclamation Superflares on the Sun

    Started by Roger E. Moore, 2019-Jun-11 01:49 PM
    2 Pages
    1 2
    superflares
    • Replies: 31
    • Views: 3,681
    2020-Apr-01, 07:42 PM Go to last post
  11. Question Proxima Centauri b: Terrestrial or Neptunian?

    Started by Roger E. Moore, 2018-Jul-24 05:46 PM
    2 Pages
    1 2
    • Replies: 35
    • Views: 4,527
    2020-Apr-01, 01:33 AM Go to last post
  12. Smile The Football Planet

    Started by Roger E. Moore, 2019-Jan-31 01:19 PM
    2 Pages
    1 2
    • Replies: 34
    • Views: 3,600
    2020-Mar-30, 01:46 PM Go to last post
  13. Pluto!

    Started by ragasssd, 2015-Jul-15 08:27 PM
    3 Pages
    1 2 3
    • Replies: 69
    • Views: 12,597
    2020-Mar-30, 01:41 PM Go to last post
  14. Cool Asteroids 3 Juno & 6 Hebe Oppose Sun in Early April

    Started by Centaur, 2020-Mar-28 07:05 PM
    • Replies: 0
    • Views: 620
    2020-Mar-28, 07:05 PM Go to last post
  15. Smile Earth has a second moon, an asteroid

    Started by Roger E. Moore, 2020-Feb-26 08:39 PM
    • Replies: 5
    • Views: 817
    2020-Mar-27, 04:22 PM Go to last post
  16. Cool March New Moon Spotting

    Started by Centaur, 2020-Mar-25 04:09 PM
    • Replies: 4
    • Views: 690
    2020-Mar-26, 02:22 PM Go to last post
    • Replies: 0
    • Views: 639
    2020-Mar-25, 04:06 PM Go to last post
  17. Chinese Large Solar Telescope (CLST)

    Started by selvaarchi, 2020-Mar-24 01:01 PM
    • Replies: 2
    • Views: 667
    2020-Mar-25, 11:17 AM Go to last post

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