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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: 24,349
    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: 407,545
    2017-Jul-28, 07:46 PM Go to last post
  1. Cool April New Moon Spotting

    Started by Centaur, Yesterday 06:22 PM
    • Replies: 0
    • Views: 16
    Yesterday, 06:22 PM Go to last post
  2. Popular Astronomy/Astrophysics Books

    Started by cjackson, 2014-Jun-16 06:47 AM
    3 Pages
    1 2 3
    • Replies: 72
    • Views: 18,834
    Yesterday, 05:16 PM Go to last post
    • Replies: 0
    • Views: 28
    2021-Apr-09, 09:46 PM Go to last post
    • Replies: 3
    • Views: 119
    2021-Apr-03, 05:53 PM Go to last post
  3. Betelgeuse Fainting

    Started by Superluminal, 2019-Dec-23 05:28 AM
    7 Pages
    1 2 3 ... 7
    • Replies: 199
    • Views: 23,035
    2021-Apr-02, 05:18 PM Go to last post
  4. Cool Jupiter Occults Mag +5.9 Star - 2021 APR 02

    Started by Centaur, 2021-Jan-25 12:47 AM
    • Replies: 1
    • Views: 111
    2021-Mar-31, 04:25 PM Go to last post
  5. Cool Asteroid 9 Metis Opposes Sun - 2021 APR 04

    Started by Centaur, 2021-Mar-28 09:49 PM
    • Replies: 0
    • Views: 83
    2021-Mar-28, 09:49 PM Go to last post
  6. Red face Mutual Events - Jupiter's 4 Galilean Satellites

    Started by Centaur, 2021-Jan-01 11:30 PM
    • Replies: 2
    • Views: 173
    2021-Mar-26, 10:37 AM Go to last post
  7. Interstellar Comet

    Started by tony873004, 2017-Oct-25 07:19 AM
    7 Pages
    1 2 3 ... 7
    • Replies: 180
    • Views: 31,827
    2021-Mar-20, 10:07 PM Go to last post
  8. Hubble inconstant

    Started by dtilque, 2021-Mar-16 06:40 AM
    • Replies: 1
    • Views: 129
    2021-Mar-17, 12:27 PM Go to last post
  9. Baikal neutrino telescope (Baikal-GVD)

    Started by selvaarchi, 2021-Mar-14 12:20 PM
    • Replies: 4
    • Views: 624
    2021-Mar-15, 01:04 AM Go to last post
  10. Cool March New Moon Spotting

    Started by Centaur, 2021-Mar-13 08:11 PM
    • Replies: 0
    • Views: 104
    2021-Mar-13, 08:11 PM Go to last post
    • Replies: 0
    • Views: 86
    2021-Mar-08, 07:39 PM Go to last post
    • Replies: 29
    • Views: 3,594
    2021-Mar-08, 01:34 PM Go to last post
  11. Broken Cable Damages Arecibo

    Started by Swift, 2020-Aug-12 03:36 PM
    3 Pages
    1 2 3
    • Replies: 65
    • Views: 3,206
    2021-Mar-08, 01:20 PM Go to last post
  12. 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: 177
    • Views: 41,505
    2021-Mar-01, 12:01 PM Go to last post
  13. Cool Brightest Asteroid 4 Vesta Opposes Sun 2021 MAR 04

    Started by Centaur, 2021-Feb-14 05:15 PM
    • Replies: 1
    • Views: 117
    2021-Mar-01, 09:42 AM Go to last post
    • Replies: 9
    • Views: 289
    2021-Feb-28, 09:58 AM Go to last post
    • Replies: 27
    • Views: 631
    2021-Feb-28, 09:57 AM Go to last post
  14. Alpha Centauri A: a possible planet?

    Started by Roger E. Moore, 2021-Feb-10 12:52 PM
    • Replies: 3
    • Views: 225
    2021-Feb-19, 07:36 AM Go to last post

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