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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: 20,939
    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: 390,832
    2017-Jul-28, 07:46 PM Go to last post
    • Replies: 2
    • Views: 93
    Today, 06:41 PM Go to last post
  1. Betelgeuse Fainting

    Started by Superluminal, 2019-Dec-23 05:28 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 169
    • Views: 13,519
    2020-Jul-29, 12:56 AM Go to last post
  2. The Hyades is in its Death Throes

    Started by SagittariusAStar, 2020-Jul-24 01:59 PM
    • Replies: 3
    • Views: 126
    2020-Jul-27, 06:26 AM Go to last post
  3. Comet F3 NEO Wise

    Started by Superluminal, 2020-Jun-24 09:39 PM
    • Replies: 24
    • Views: 652
    2020-Jul-21, 05:07 PM Go to last post
  4. 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: 36
    • Views: 2,666
    2020-Jul-21, 04:08 AM Go to last post
  5. Cool July New Moon Spotting

    Started by Centaur, 2020-Jul-19 05:49 PM
    • Replies: 0
    • Views: 27
    2020-Jul-19, 05:49 PM Go to last post
    • Replies: 8
    • Views: 335
    2020-Jul-19, 04:15 AM Go to last post
  6. ORC's

    Started by Superluminal, 2020-Jul-18 03:55 AM
    • Replies: 4
    • Views: 132
    2020-Jul-19, 01:51 AM Go to last post
  7. Popular Astronomy/Astrophysics Books

    Started by cjackson, 2014-Jun-16 06:47 AM
    3 Pages
    1 2 3
    • Replies: 68
    • Views: 16,041
    2020-Jul-18, 10:17 PM Go to last post
    • Replies: 0
    • Views: 45
    2020-Jul-18, 08:53 PM Go to last post
    • Replies: 0
    • Views: 55
    2020-Jul-15, 04:26 AM Go to last post
  8. 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: 34,315
    2020-Jul-13, 06:21 PM Go to last post
  9. Cool Mercury as a Summer Morning Star

    Started by Centaur, 2020-Jul-11 06:38 PM
    • Replies: 0
    • Views: 41
    2020-Jul-11, 06:38 PM Go to last post
  10. Cool Jupiter & Saturn - July Oppositions from the Sun

    Started by Centaur, 2020-Jun-30 05:05 PM
    • Replies: 8
    • Views: 236
    2020-Jul-07, 03:45 PM Go to last post
  11. 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: 9,576
    2020-Jul-06, 05:50 PM Go to last post
  12. Cool Asteroid 2 Pallas Opposes Sun - 2020 JUL 15

    Started by Centaur, 2020-Jul-05 05:31 PM
    • Replies: 0
    • Views: 54
    2020-Jul-05, 05:31 PM Go to last post
  13. Cool Penumbral Lunar Eclipse - 2020 JUL 04-05

    Started by Centaur, 2020-Jul-03 05:12 PM
    • Replies: 0
    • Views: 78
    2020-Jul-03, 05:12 PM Go to last post
  14. 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: 13,358
    2020-Jul-01, 11:05 PM Go to last post
  15. Question Monster black hole in early universe

    Started by dtilque, 2020-Jun-27 08:48 AM
    • Replies: 1
    • Views: 126
    2020-Jun-27, 10:54 AM Go to last post
    • Replies: 9
    • Views: 1,479
    2020-Jun-26, 02:48 PM Go to last post

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