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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: 30,455
    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: 430,081
    2017-Jul-28, 07:46 PM Go to last post
  1. Smile Geminid Meteor Shower Peaks 2021 DEC 13-14

    Started by Centaur, 2021-Dec-05 07:17 PM
    • Replies: 0
    • Views: 48
    2021-Dec-05, 07:17 PM Go to last post
  2. Cool December New Moon Spotting

    Started by Centaur, 2021-Dec-04 08:18 PM
    • Replies: 0
    • Views: 44
    2021-Dec-04, 08:18 PM Go to last post
  3. Comet Bernardinelli-Bernstein (C/2014 UN271)

    Started by selvaarchi, 2021-Oct-03 02:01 PM
    • Replies: 9
    • Views: 632
    2021-Dec-01, 01:04 PM Go to last post
  4. Is Planet Nine almost certain, probable, possible or unlikely?

    Started by Tom Mazanec, 2016-Jun-13 04:01 PM
    7 Pages
    1 2 3 ... 7
    1 Deleted Post(s)
    • Replies: 193
    • Views: 53,712
    2021-Nov-26, 03:46 PM Go to last post
  5. Smile Dual Shadow Transits Across Jupiter - 2021 NOV 23

    Started by Centaur, 2021-Nov-21 06:58 PM
    • Replies: 9
    • Views: 184
    2021-Nov-22, 03:57 PM Go to last post
    • Replies: 6
    • Views: 201
    2021-Nov-20, 01:19 AM Go to last post
  6. Cool Asteroid 1 Ceres Opposes Sun 2021 NOV 27

    Started by Centaur, 2021-Nov-19 06:56 PM
    • Replies: 0
    • Views: 31
    2021-Nov-19, 06:56 PM Go to last post
  7. Betelgeuse Fainting

    Started by Superluminal, 2019-Dec-23 05:28 AM
    8 Pages
    1 2 3 ... 8
    • Replies: 213
    • Views: 35,041
    2021-Nov-17, 10:01 PM Go to last post
  8. Popular Astronomy/Astrophysics Books

    Started by cjackson, 2014-Jun-16 06:47 AM
    3 Pages
    1 2 3
    • Replies: 79
    • Views: 25,693
    2021-Nov-16, 11:05 AM Go to last post
  9. Cool November New Moon Spotting

    Started by Centaur, 2021-Nov-04 04:48 PM
    • Replies: 1
    • Views: 136
    2021-Nov-15, 05:24 PM Go to last post
  10. CMB hot and cold spots uniform?

    Started by Cougar, 2021-Nov-14 03:12 AM
    • Replies: 1
    • Views: 118
    2021-Nov-14, 01:23 PM Go to last post
  11. Cool Partial (97%) Lunar Eclipse - 2021 NOV 19

    Started by Centaur, 2021-Nov-11 06:54 PM
    • Replies: 0
    • Views: 113
    2021-Nov-11, 06:54 PM Go to last post
  12. Smile Leonid Meteor Shower Peaks Nov 16-17

    Started by Centaur, 2021-Nov-10 06:28 PM
    • Replies: 0
    • Views: 107
    2021-Nov-10, 06:28 PM Go to last post
  13. Retardation Effects in Gravitation

    Started by Jerry, 2021-Nov-01 06:34 PM
    • Replies: 1
    • Views: 205
    2021-Nov-01, 09:56 PM Go to last post
  14. Cool Uranus Opposes Sun - 2021 NOV 04

    Started by Centaur, 2021-Nov-01 09:52 PM
    • Replies: 0
    • Views: 94
    2021-Nov-01, 09:52 PM Go to last post
  15. The Evolution of the Standard Candle....Sn1a's

    Started by trinitree88, 2017-Dec-08 07:48 PM
    • Replies: 13
    • Views: 1,855
    2021-Oct-28, 05:58 PM Go to last post
  16. Cool Ceres Appears Near Aldebaran - 2021 NOV 03

    Started by Centaur, 2021-Oct-17 11:41 PM
    1 Deleted Post(s)
    • Replies: 0
    • Views: 198
    2021-Oct-17, 11:41 PM Go to last post
    • Replies: 0
    • Views: 199
    2021-Oct-16, 06:53 PM Go to last post
    • Replies: 0
    • Views: 125
    2021-Oct-14, 11:53 PM Go to last post
  17. Smile Orionid Meteor Shower Peaks 2021 OCT 20-21

    Started by Centaur, 2021-Oct-14 09:04 PM
    • Replies: 0
    • Views: 208
    2021-Oct-14, 09:04 PM Go to last post

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