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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: 23,809
    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: 403,814
    2017-Jul-28, 07:46 PM Go to last post
    • Replies: 0
    • Views: 27
    Yesterday, 07:39 PM Go to last post
    • Replies: 29
    • Views: 3,379
    Yesterday, 01:34 PM Go to last post
  1. Broken Cable Damages Arecibo

    Started by Swift, 2020-Aug-12 03:36 PM
    3 Pages
    1 2 3
    • Replies: 65
    • Views: 2,781
    Yesterday, 01:20 PM Go to last post
  2. Betelgeuse Fainting

    Started by Superluminal, 2019-Dec-23 05:28 AM
    7 Pages
    1 2 3 ... 7
    • Replies: 193
    • Views: 21,677
    2021-Mar-06, 06:52 AM Go to last post
  3. 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: 40,269
    2021-Mar-01, 12:01 PM Go to last post
  4. Cool Brightest Asteroid 4 Vesta Opposes Sun 2021 MAR 04

    Started by Centaur, 2021-Feb-14 05:15 PM
    • Replies: 1
    • Views: 62
    2021-Mar-01, 09:42 AM Go to last post
  5. Interstellar Comet

    Started by tony873004, 2017-Oct-25 07:19 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 177
    • Views: 30,872
    2021-Feb-28, 10:02 AM Go to last post
    • Replies: 9
    • Views: 194
    2021-Feb-28, 09:58 AM Go to last post
    • Replies: 27
    • Views: 479
    2021-Feb-28, 09:57 AM Go to last post
  6. Alpha Centauri A: a possible planet?

    Started by Roger E. Moore, 2021-Feb-10 12:52 PM
    • Replies: 3
    • Views: 155
    2021-Feb-19, 07:36 AM Go to last post
  7. Pluto!

    Started by ragasssd, 2015-Jul-15 08:27 PM
    3 Pages
    1 2 3
    • Replies: 83
    • Views: 15,240
    2021-Feb-17, 07:39 PM Go to last post
  8. Cool February New Moon Spotting

    Started by Centaur, 2021-Feb-12 06:17 PM
    • Replies: 1
    • Views: 56
    2021-Feb-14, 08:23 AM Go to last post
  9. Popular Astronomy/Astrophysics Books

    Started by cjackson, 2014-Jun-16 06:47 AM
    3 Pages
    1 2 3
    • Replies: 69
    • Views: 18,306
    2021-Feb-11, 05:03 PM Go to last post
  10. Question Proxima Centauri b: Terrestrial or Neptunian?

    Started by Roger E. Moore, 2018-Jul-24 05:46 PM
    2 Pages
    1 2
    • Replies: 51
    • Views: 7,284
    2021-Feb-08, 01:15 PM Go to last post
    • Replies: 24
    • Views: 384
    2021-Feb-07, 07:17 PM Go to last post
  11. 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: 148
    • Views: 18,710
    2021-Feb-04, 01:41 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: 108
    • Views: 14,917
    2021-Feb-04, 01:36 PM Go to last post
  13. The surface of Venus

    Started by Roger E. Moore, 2021-Jan-29 12:58 PM
    • Replies: 1
    • Views: 135
    2021-Feb-01, 08:30 AM Go to last post
  14. Giant 2D Atlas of the Universe

    Started by selvaarchi, 2021-Jan-15 09:59 AM
    • Replies: 2
    • Views: 122
    2021-Jan-31, 11:37 PM Go to last post
  15. Cool Asteroid 18 Melpomene Opposes Sun 2021 FEB 02

    Started by Centaur, 2021-Jan-29 10:39 PM
    • Replies: 0
    • Views: 58
    2021-Jan-29, 10:39 PM Go to last post

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