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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: 28,222
    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: 423,431
    2017-Jul-28, 07:46 PM Go to last post
  1. Betelgeuse Fainting

    Started by Superluminal, 2019-Dec-23 05:28 AM
    7 Pages
    1 2 3 ... 7
    • Replies: 206
    • Views: 30,561
    Today, 08:02 PM Go to last post
    • Replies: 0
    • Views: 50
    Today, 01:12 PM Go to last post
  2. Cool Harvest Moon - 2021 SEP 20-21

    Started by Centaur, 2021-Sep-20 09:24 PM
    • Replies: 0
    • Views: 82
    2021-Sep-20, 09:24 PM Go to last post
  3. Distant supernova through gravitational lens

    Started by Cougar, 2021-Sep-14 04:08 AM
    • Replies: 0
    • Views: 109
    2021-Sep-14, 04:08 AM Go to last post
  4. Cool September New Moon Spotting

    Started by Centaur, 2021-Sep-05 05:13 PM
    • Replies: 3
    • Views: 508
    2021-Sep-11, 12:06 AM Go to last post
  5. Popular Astronomy/Astrophysics Books

    Started by cjackson, 2014-Jun-16 06:47 AM
    3 Pages
    1 2 3
    • Replies: 75
    • Views: 22,710
    2021-Sep-09, 08:05 PM Go to last post
    • Replies: 13
    • Views: 3,867
    2021-Sep-08, 10:26 PM Go to last post
  6. Cool Asteroid 2 Pallas Opposes Sun - 2021 SEP 11

    Started by Centaur, 2021-Sep-04 05:45 PM
    • Replies: 0
    • Views: 50
    2021-Sep-04, 05:45 PM Go to last post
    • Replies: 13
    • Views: 507
    2021-Sep-03, 12:37 AM Go to last post
  7. Protoplanetary disks eject more mass than they retain

    Started by kzb, 2021-Sep-02 01:25 AM
    • Replies: 0
    • Views: 49
    2021-Sep-02, 01:25 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
    7 Pages
    1 2 3 ... 7
    1 Deleted Post(s)
    • Replies: 180
    • Views: 49,490
    2021-Sep-01, 11:54 AM Go to last post
  9. Cool Moon Occults Asteroid 7 Iris - 2021 SEP 01

    Started by Centaur, 2021-Aug-20 06:44 PM
    • Replies: 1
    • Views: 127
    2021-Aug-31, 09:20 PM Go to last post
  10. Cool Jupiter Opposes Sun - 2021 AUG 19-20

    Started by Centaur, 2021-Aug-16 05:22 PM
    • Replies: 0
    • Views: 95
    2021-Aug-16, 05:22 PM Go to last post
  11. Cool Moon Occults Mag +2.1 Star - 2021 AUG 18-19

    Started by Centaur, 2021-Aug-15 09:36 PM
    • Replies: 0
    • Views: 106
    2021-Aug-15, 09:36 PM Go to last post
  12. Man made or UFO? Anyone?

    Started by Niklby, 2021-Aug-06 09:33 PM
    • Replies: 10
    • Views: 495
    2021-Aug-10, 08:07 AM Go to last post
  13. Short period comets

    Started by dtilque, 2021-Aug-09 07:33 AM
    • Replies: 1
    • Views: 177
    2021-Aug-09, 02:06 PM Go to last post
  14. Smile Perseid Meteor Shower Peaks 2021 AUG 12-13

    Started by Centaur, 2021-Aug-07 06:46 PM
    • Replies: 0
    • Views: 142
    2021-Aug-07, 06:46 PM Go to last post
  15. Cool August New Moon Spotting

    Started by Centaur, 2021-Aug-07 06:34 PM
    • Replies: 0
    • Views: 104
    2021-Aug-07, 06:34 PM Go to last post
    • Replies: 1
    • Views: 443
    2021-Aug-02, 01:32 AM Go to last post
  16. Shanghai Astronomy Museum

    Started by selvaarchi, 2021-Jul-06 05:31 AM
    • Replies: 3
    • Views: 307
    2021-Jul-31, 11:55 AM Go to last post

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