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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: 21,895
    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: 393,495
    2017-Jul-28, 07:46 PM Go to last post
  1. ORC's

    Started by Superluminal, 2020-Jul-18 03:55 AM
    • Replies: 4
    • Views: 226
    2020-Jul-19, 01:51 AM Go to last post
  2. Popular Astronomy/Astrophysics Books

    Started by cjackson, 2014-Jun-16 06:47 AM
    3 Pages
    1 2 3
    • Replies: 68
    • Views: 16,900
    2020-Jul-18, 10:17 PM Go to last post
    • Replies: 0
    • Views: 87
    2020-Jul-18, 08:53 PM Go to last post
    • Replies: 0
    • Views: 101
    2020-Jul-15, 04:26 AM Go to last post
  3. 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: 164
    • Views: 36,066
    2020-Jul-13, 06:21 PM Go to last post
  4. Cool Mercury as a Summer Morning Star

    Started by Centaur, 2020-Jul-11 06:38 PM
    • Replies: 0
    • Views: 81
    2020-Jul-11, 06:38 PM Go to last post
  5. Cool Jupiter & Saturn - July Oppositions from the Sun

    Started by Centaur, 2020-Jun-30 05:05 PM
    • Replies: 8
    • Views: 381
    2020-Jul-07, 03:45 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: 55
    • Views: 10,268
    2020-Jul-06, 05:50 PM Go to last post
  7. Cool Asteroid 2 Pallas Opposes Sun - 2020 JUL 15

    Started by Centaur, 2020-Jul-05 05:31 PM
    • Replies: 0
    • Views: 95
    2020-Jul-05, 05:31 PM Go to last post
  8. Cool Penumbral Lunar Eclipse - 2020 JUL 04-05

    Started by Centaur, 2020-Jul-03 05:12 PM
    • Replies: 0
    • Views: 114
    2020-Jul-03, 05:12 PM Go to last post
  9. 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: 132
    • Views: 14,650
    2020-Jul-01, 11:05 PM Go to last post
  10. Question Monster black hole in early universe

    Started by dtilque, 2020-Jun-27 08:48 AM
    • Replies: 1
    • Views: 187
    2020-Jun-27, 10:54 AM Go to last post
    • Replies: 9
    • Views: 1,614
    2020-Jun-26, 02:48 PM Go to last post
  11. First CNO neutrinos detected from the Sun

    Started by SagittariusAStar, 2020-Jun-25 08:01 PM
    • Replies: 1
    • Views: 470
    2020-Jun-26, 12:00 AM Go to last post
  12. Cool Lunar X - 2020 JUN 27

    Started by Centaur, 2020-Jun-24 09:16 PM
    • Replies: 0
    • Views: 100
    2020-Jun-24, 09:16 PM Go to last post
  13. Question Proxima Centauri b: Terrestrial or Neptunian?

    Started by Roger E. Moore, 2018-Jul-24 05:46 PM
    2 Pages
    1 2
    • Replies: 43
    • Views: 5,957
    2020-Jun-24, 05:10 PM Go to last post
  14. Cool June New Moon Spotting

    Started by Centaur, 2020-Jun-20 05:46 PM
    • Replies: 4
    • Views: 246
    2020-Jun-24, 04:24 PM Go to last post
  15. Chinese Large Solar Telescope (CLST)

    Started by selvaarchi, 2020-Mar-24 01:01 PM
    • Replies: 3
    • Views: 888
    2020-Jun-23, 07:45 AM Go to last post
  16. Disintegrating Planets - some recent news

    Started by Roger E. Moore, 2018-Jul-30 07:24 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 99
    • Views: 12,494
    2020-Jun-22, 04:39 PM Go to last post
    • Replies: 14
    • Views: 2,062
    2020-Jun-20, 03:47 PM Go to last post

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