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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: 21,173
    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: 391,164
    2017-Jul-28, 07:46 PM Go to last post
  1. Broken Cable Damages Arecibo

    Started by Swift, Today 03:36 PM
    • Replies: 0
    • Views: 28
    Today, 03:36 PM Go to last post
    • Replies: 2
    • Views: 42
    Yesterday, 08:51 PM Go to last post
  2. Cool Lunar Boat - 2020 AUG 18

    Started by Centaur, 2020-Aug-09 08:18 PM
    • Replies: 0
    • Views: 36
    2020-Aug-09, 08:18 PM Go to last post
    • Replies: 7
    • Views: 227
    2020-Aug-09, 12:50 PM Go to last post
  3. Cool Perseid Meteor Shower Peaks 2020 AUG 11-12

    Started by Centaur, 2020-Aug-05 11:41 PM
    • Replies: 0
    • Views: 53
    2020-Aug-05, 11:41 PM Go to last post
  4. Betelgeuse Fainting

    Started by Superluminal, 2019-Dec-23 05:28 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 169
    • Views: 13,767
    2020-Jul-29, 12:56 AM Go to last post
  5. The Hyades is in its Death Throes

    Started by SagittariusAStar, 2020-Jul-24 01:59 PM
    • Replies: 3
    • Views: 174
    2020-Jul-27, 06:26 AM Go to last post
  6. Comet F3 NEO Wise

    Started by Superluminal, 2020-Jun-24 09:39 PM
    • Replies: 24
    • Views: 836
    2020-Jul-21, 05:07 PM Go to last post
  7. 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: 2,808
    2020-Jul-21, 04:08 AM Go to last post
  8. Cool July New Moon Spotting

    Started by Centaur, 2020-Jul-19 05:49 PM
    • Replies: 0
    • Views: 43
    2020-Jul-19, 05:49 PM Go to last post
    • Replies: 8
    • Views: 408
    2020-Jul-19, 04:15 AM Go to last post
  9. ORC's

    Started by Superluminal, 2020-Jul-18 03:55 AM
    • Replies: 4
    • Views: 173
    2020-Jul-19, 01:51 AM Go to last post
  10. Popular Astronomy/Astrophysics Books

    Started by cjackson, 2014-Jun-16 06:47 AM
    3 Pages
    1 2 3
    • Replies: 68
    • Views: 16,248
    2020-Jul-18, 10:17 PM Go to last post
    • Replies: 0
    • Views: 67
    2020-Jul-18, 08:53 PM Go to last post
    • Replies: 0
    • Views: 72
    2020-Jul-15, 04:26 AM Go to last post
  11. 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: 34,670
    2020-Jul-13, 06:21 PM Go to last post
  12. Cool Mercury as a Summer Morning Star

    Started by Centaur, 2020-Jul-11 06:38 PM
    • Replies: 0
    • Views: 61
    2020-Jul-11, 06:38 PM Go to last post
  13. Cool Jupiter & Saturn - July Oppositions from the Sun

    Started by Centaur, 2020-Jun-30 05:05 PM
    • Replies: 8
    • Views: 294
    2020-Jul-07, 03:45 PM Go to last post
  14. 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: 9,782
    2020-Jul-06, 05:50 PM Go to last post
  15. Cool Asteroid 2 Pallas Opposes Sun - 2020 JUL 15

    Started by Centaur, 2020-Jul-05 05:31 PM
    • Replies: 0
    • Views: 71
    2020-Jul-05, 05:31 PM Go to last post

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