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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: 23,223
    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: 399,251
    2017-Jul-28, 07:46 PM Go to last post
  1. Broken Cable Damages Arecibo

    Started by Swift, 2020-Aug-12 03:36 PM
    2 Pages
    1 2
    • Replies: 56
    • Views: 1,925
    Today, 01:58 AM Go to last post
    • Replies: 0
    • Views: 26
    Yesterday, 08:20 PM Go to last post
    • Replies: 27
    • Views: 4,922
    Yesterday, 06:16 PM Go to last post
  2. Visual star colors

    Started by ngc3314, 2021-Jan-18 04:44 PM
    • Replies: 3
    • Views: 110
    Yesterday, 01:48 AM Go to last post
    • Replies: 54
    • Views: 8,458
    2021-Jan-21, 01:09 PM Go to last post
    • Replies: 13
    • Views: 163
    2021-Jan-21, 12:38 AM Go to last post
    • Replies: 3
    • Views: 972
    2021-Jan-15, 11:25 PM Go to last post
  3. Betelgeuse Fainting

    Started by Superluminal, 2019-Dec-23 05:28 AM
    7 Pages
    1 2 3 ... 7
    • Replies: 185
    • Views: 19,304
    2021-Jan-15, 05:39 PM Go to last post
  4. Giant 2D Atlas of the Universe

    Started by selvaarchi, 2021-Jan-15 09:59 AM
    • Replies: 0
    • Views: 27
    2021-Jan-15, 09:59 AM Go to last post
  5. No January new moon spotting thread?

    Started by kpatz, 2021-Jan-14 11:08 PM
    • Replies: 1
    • Views: 63
    2021-Jan-15, 06:23 AM Go to last post
    • Replies: 4
    • Views: 699
    2021-Jan-14, 10:26 PM Go to last post
    • Replies: 7
    • Views: 211
    2021-Jan-14, 05:13 PM Go to last post
  6. Talking Tau Ceti, the story so far

    Started by Roger E. Moore, 2018-Jul-26 06:13 PM
    exoplanets, science fiction, tau ceti
    • Replies: 7
    • Views: 1,780
    2021-Jan-14, 01:53 PM Go to last post
    • Replies: 0
    • Views: 16
    2021-Jan-14, 03:58 AM Go to last post
  7. Cool Asteroid 15 Eunomia Opposes Sun 2021 JAN 21

    Started by Centaur, 2021-Jan-11 10:07 PM
    • Replies: 0
    • Views: 93
    2021-Jan-11, 10:07 PM Go to last post
  8. Question Mysteries in Astronomy (my short list)

    Started by Roger E. Moore, 2018-Nov-15 02:56 AM
    5 Pages
    1 2 3 ... 5
    enigmas, mysteries, strange events, the unknown
    • Replies: 146
    • Views: 16,969
    2021-Jan-09, 08:18 PM Go to last post
  9. Color photos of Galaxies in Collision

    Started by Roger E. Moore, 2021-Jan-07 10:26 PM
    • Replies: 0
    • Views: 104
    2021-Jan-07, 10:26 PM Go to last post
  10. Cool Trio: Mercury, Jupiter & Saturn - 2021 JAN 09-10

    Started by Centaur, 2021-Jan-06 06:33 PM
    • Replies: 0
    • Views: 74
    2021-Jan-06, 06:33 PM Go to last post
  11. Pluto!

    Started by ragasssd, 2015-Jul-15 08:27 PM
    3 Pages
    1 2 3
    • Replies: 79
    • Views: 14,672
    2021-Jan-06, 04:28 PM Go to last post
  12. Disintegrating Planets - some recent news

    Started by Roger E. Moore, 2018-Jul-30 07:24 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 107
    • Views: 14,017
    2021-Jan-06, 04:20 PM Go to last post

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