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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: 29,923
    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: 427,279
    2017-Jul-28, 07:46 PM Go to last post
  1. Distant supernova through gravitational lens

    Started by Cougar, 2021-Sep-14 04:08 AM
    • Replies: 1
    • Views: 292
    2021-Oct-04, 07:54 PM Go to last post
  2. New Meteor Shower

    Started by Superluminal, 2021-Oct-03 05:12 AM
    • Replies: 1
    • Views: 197
    2021-Oct-03, 07:09 AM Go to last post
  3. Our Corner of the Milky Way

    Started by SagittariusAStar, 2021-Sep-30 03:40 PM
    • Replies: 1
    • Views: 244
    2021-Sep-30, 07:12 PM Go to last post
  4. China's gravitational-wave research center

    Started by selvaarchi, 2021-Sep-27 01:12 PM
    • Replies: 0
    • Views: 185
    2021-Sep-27, 01:12 PM Go to last post
  5. Cool Harvest Moon - 2021 SEP 20-21

    Started by Centaur, 2021-Sep-20 09:24 PM
    • Replies: 0
    • Views: 208
    2021-Sep-20, 09:24 PM Go to last post
  6. Cool September New Moon Spotting

    Started by Centaur, 2021-Sep-05 05:13 PM
    • Replies: 3
    • Views: 657
    2021-Sep-11, 12:06 AM Go to last post
    • Replies: 13
    • Views: 4,159
    2021-Sep-08, 10:26 PM Go to last post
  7. Cool Asteroid 2 Pallas Opposes Sun - 2021 SEP 11

    Started by Centaur, 2021-Sep-04 05:45 PM
    • Replies: 0
    • Views: 144
    2021-Sep-04, 05:45 PM Go to last post
    • Replies: 13
    • Views: 729
    2021-Sep-03, 12:37 AM Go to last post
  8. Protoplanetary disks eject more mass than they retain

    Started by kzb, 2021-Sep-02 01:25 AM
    • Replies: 0
    • Views: 129
    2021-Sep-02, 01:25 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: 208
    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: 147
    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: 152
    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: 615
    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: 222
    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: 196
    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: 139
    2021-Aug-07, 06:34 PM Go to last post
    • Replies: 1
    • Views: 492
    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: 366
    2021-Jul-31, 11:55 AM Go to last post
  17. Cool Saturn Opposes Sun 2021 AUG 02

    Started by Centaur, 2021-Jul-19 06:40 PM
    • Replies: 0
    • Views: 226
    2021-Jul-19, 06:40 PM Go to last post

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