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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: 20,234
    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: 388,379
    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
    6 Pages
    1 2 3 ... 6
    1 Deleted Post(s)
    • Replies: 161
    • Views: 32,401
    Yesterday, 12:56 PM Go to last post
  2. Question Proxima Centauri b: Terrestrial or Neptunian?

    Started by Roger E. Moore, 2018-Jul-24 05:46 PM
    2 Pages
    1 2
    • Replies: 40
    • Views: 4,906
    Yesterday, 12:51 PM Go to last post
  3. The history and future of telescopes on the Moon

    Started by selvaarchi, 2020-Jun-04 03:16 PM
    • Replies: 2
    • Views: 46
    2020-Jun-04, 09:30 PM Go to last post
  4. Interstellar Comet

    Started by tony873004, 2017-Oct-25 07:19 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 165
    • Views: 24,737
    2020-May-29, 05:56 PM Go to last post
    • Replies: 51
    • Views: 7,093
    2020-May-27, 10:27 PM Go to last post
  5. Question Mysteries in Astronomy (my short list)

    Started by Roger E. Moore, 2018-Nov-15 02:56 AM
    5 Pages
    1 2 3 ... 5
    enigmas, mysteries, strange events, the unknown
    • Replies: 131
    • Views: 12,063
    2020-May-24, 03:41 PM Go to last post
  6. How often do we get close passages?

    Started by Tom Mazanec, 2018-Apr-12 02:43 PM
    2 Pages
    1 2
    1 Deleted Post(s)
    • Replies: 54
    • Views: 8,957
    2020-May-24, 03:31 PM Go to last post
    • Replies: 6
    • Views: 507
    2020-May-22, 09:16 PM Go to last post
  7. Cool May New Moon Spotting

    Started by Centaur, 2020-May-22 04:33 PM
    • Replies: 0
    • Views: 70
    2020-May-22, 04:33 PM Go to last post
  8. Naked eye Venus crescent

    Started by Tucson_Tim, 2020-May-14 03:39 AM
    • Replies: 26
    • Views: 602
    2020-May-22, 02:40 PM Go to last post
  9. Betelgeuse Fainting

    Started by Superluminal, 2019-Dec-23 05:28 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 166
    • Views: 11,937
    2020-May-19, 03:02 AM Go to last post
  10. Unhappy Exoplanets that weren't (or, Mourning for Barnard's Star b)

    Started by Roger E. Moore, 2016-Dec-30 10:37 PM
    2 Pages
    1 2
    • Replies: 44
    • Views: 4,451
    2020-May-18, 08:51 PM Go to last post
  11. Disintegrating Planets - some recent news

    Started by Roger E. Moore, 2018-Jul-30 07:24 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 96
    • Views: 10,677
    2020-May-18, 07:39 PM Go to last post
  12. Precession technicality that is often ignored.

    Started by Hornblower, 2020-May-17 01:13 AM
    • Replies: 0
    • Views: 66
    2020-May-17, 01:13 AM Go to last post
    • Replies: 8
    • Views: 1,276
    2020-May-15, 03:07 AM Go to last post
    • Replies: 26
    • Views: 4,001
    2020-May-14, 11:06 PM Go to last post
  13. Cool Mercury as Late Spring Evening Star

    Started by Centaur, 2020-May-10 04:47 PM
    • Replies: 1
    • Views: 83
    2020-May-10, 05:59 PM Go to last post
  14. Closest black hole found

    Started by Swift, 2020-May-07 09:20 PM
    • Replies: 4
    • Views: 217
    2020-May-10, 02:38 AM Go to last post
  15. Da Vinci Stellar Template Hypothesis

    Started by Robert Tulip, 2020-May-05 01:22 AM
    astronomy, da vinci, last supper, leonardo, zodiac
    • Replies: 0
    • Views: 105
    2020-May-05, 01:22 AM Go to last post
  16. Milky Way larger than 100,000 light years

    Started by selvaarchi, 2018-Jul-03 02:10 PM
    • Replies: 11
    • Views: 1,650
    2020-Apr-28, 08:02 AM Go to last post

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