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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: 11,736
    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: 360,299
    2017-Jul-28, 07:46 PM Go to last post
  1. Farout man

    Started by Swift, 2019-Jan-08 03:03 PM
    • Replies: 11
    • Views: 324
    Yesterday, 11:13 PM Go to last post
    • Replies: 21
    • Views: 1,030
    Yesterday, 07:27 PM Go to last post
  2. Disintegrating Planets - some recent news

    Started by Roger E. Moore, 2018-Jul-30 07:24 PM
    2 Pages
    1 2
    • Replies: 42
    • Views: 2,704
    2019-Feb-20, 02:28 PM Go to last post
  3. Cool Widest Full Moon is Not Necessarily the Brightest

    Started by Centaur, 2019-Feb-18 03:07 AM
    • Replies: 6
    • Views: 139
    2019-Feb-18, 04:49 PM Go to last post
  4. Interstellar Comet

    Started by tony873004, 2017-Oct-25 07:19 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 150
    • Views: 13,842
    2019-Feb-13, 02:18 PM Go to last post
  5. Smile The Football Planet

    Started by Roger E. Moore, 2019-Jan-31 01:19 PM
    • Replies: 29
    • Views: 951
    2019-Feb-12, 08:22 PM Go to last post
    • Replies: 19
    • Views: 1,141
    2019-Feb-12, 02:37 PM Go to last post
    • Replies: 19
    • Views: 1,455
    2019-Feb-12, 02:16 PM Go to last post
  6. Smile Mercury as Winter Evening Star

    Started by Centaur, 2019-Feb-10 04:31 PM
    • Replies: 1
    • Views: 164
    2019-Feb-10, 05:44 PM Go to last post
  7. Cool Lunar X - 2019 FEB 11

    Started by Centaur, 2019-Feb-08 05:57 PM
    • Replies: 0
    • Views: 73
    2019-Feb-08, 05:57 PM Go to last post
  8. The Milky Way in a twist

    Started by selvaarchi, 2019-Feb-06 10:29 AM
    • Replies: 3
    • Views: 142
    2019-Feb-07, 01:46 AM Go to last post
  9. Collision in the asteroid belt

    Started by Swift, 2019-Jan-16 01:42 AM
    • Replies: 23
    • Views: 764
    2019-Feb-06, 12:35 AM Go to last post
  10. Is Planet Nine almost certain, probable, possible or unlikely?

    Started by Tom Mazanec, 2016-Jun-13 04:01 PM
    4 Pages
    1 2 3 ... 4
    1 Deleted Post(s)
    • Replies: 112
    • Views: 18,015
    2019-Feb-05, 11:07 PM Go to last post
  11. Question fictional: tidally locked planet situated between two stars...

    Started by gufghur, 2019-Jan-10 02:10 PM
    2 Pages
    1 2
    binary star exoplanet, binary systems, intelligent life, speculative fiction, speculative worlds
    • Replies: 30
    • Views: 795
    2019-Feb-05, 10:59 PM Go to last post
  12. Cool February New Moon Spotting

    Started by Centaur, 2019-Feb-03 05:39 PM
    • Replies: 1
    • Views: 92
    2019-Feb-04, 05:59 PM Go to last post
  13. Popular Astronomy/Astrophysics Books

    Started by cjackson, 2014-Jun-16 06:47 AM
    2 Pages
    1 2
    • Replies: 54
    • Views: 9,610
    2019-Feb-01, 06:12 PM Go to last post
    • Replies: 16
    • Views: 1,089
    2019-Jan-31, 01:21 PM Go to last post
    • Replies: 7
    • Views: 388
    2019-Jan-29, 07:54 PM Go to last post
  14. What do you think is mainstream in cosmology?

    Started by The Physics Detective, 2019-Jan-21 08:55 PM
    2 Pages
    1 2
    • Replies: 55
    • Views: 1,537
    2019-Jan-28, 05:52 PM Go to last post
  15. Exclamation Machine Learning... or drown in data

    Started by Roger E. Moore, 2019-Jan-22 04:27 PM
    big data, data analysis, data mining, machine learning
    • Replies: 1
    • Views: 126
    2019-Jan-22, 10:37 PM Go to last post

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