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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: 12,896
    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: 364,474
    2017-Jul-28, 07:46 PM Go to last post
  1. First image of a black hole on April 10, 2019

    Started by philippeb8, 2019-Apr-10 03:14 AM
    2 Pages
    1 2
    • Replies: 57
    • Views: 1,770
    Yesterday, 05:25 PM Go to last post
  2. Question Mysteries in Astronomy (my short list)

    Started by Roger E. Moore, 2018-Nov-15 02:56 AM
    2 Pages
    1 2
    enigmas, mysteries, strange events, the unknown
    • Replies: 39
    • Views: 2,020
    2019-Apr-17, 02:34 PM Go to last post
  3. 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: 4
    • Views: 283
    2019-Apr-17, 01:10 PM Go to last post
  4. Disintegrating Planets - some recent news

    Started by Roger E. Moore, 2018-Jul-30 07:24 PM
    2 Pages
    1 2
    • Replies: 51
    • Views: 3,351
    2019-Apr-17, 01:06 PM Go to last post
  5. Cool Lyrid Meteor Shower Peaks 2019 APR 22-23

    Started by Centaur, 2019-Apr-16 03:07 PM
    • Replies: 0
    • Views: 25
    2019-Apr-16, 03:07 PM Go to last post
    • Replies: 19
    • Views: 1,341
    2019-Apr-16, 02:17 PM Go to last post
  6. A Perfect & Lonely Sunspot

    Started by Spacedude, 2019-Apr-13 09:14 PM
    • Replies: 2
    • Views: 88
    2019-Apr-13, 09:58 PM Go to last post
    • Replies: 15
    • Views: 1,107
    2019-Apr-12, 05:02 PM Go to last post
  7. Popular Astronomy/Astrophysics Books

    Started by cjackson, 2014-Jun-16 06:47 AM
    2 Pages
    1 2
    • Replies: 59
    • Views: 10,213
    2019-Apr-10, 02:33 AM Go to last post
  8. Cool Lunar X - 2019 APR 11-12

    Started by Centaur, 2019-Apr-09 10:10 PM
    • Replies: 0
    • Views: 32
    2019-Apr-09, 10:10 PM Go to last post
  9. Name 2007OR10

    Started by Tom Mazanec, 2017-Feb-13 10:24 PM
    • Replies: 18
    • Views: 1,213
    2019-Apr-09, 03:19 PM Go to last post
  10. Smile On the naming of names in astronomy

    Started by Roger E. Moore, 2019-Mar-27 06:15 PM
    • Replies: 17
    • Views: 494
    2019-Apr-08, 03:40 PM Go to last post
  11. Cool April New Moon Spotting

    Started by Centaur, 2019-Apr-04 04:39 PM
    • Replies: 1
    • Views: 72
    2019-Apr-07, 08:48 AM Go to last post
  12. Interstellar Comet

    Started by tony873004, 2017-Oct-25 07:19 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 155
    • Views: 15,547
    2019-Apr-05, 04:50 PM Go to last post
    • Replies: 0
    • Views: 69
    2019-Apr-04, 01:55 PM Go to last post
    • Replies: 4
    • Views: 381
    2019-Mar-26, 03:44 PM Go to last post
  13. Cool Asteroid 2 Pallas Opposes Sun 2019 APR 06

    Started by Centaur, 2019-Mar-23 07:13 PM
    • Replies: 0
    • Views: 78
    2019-Mar-23, 07:13 PM Go to last post
    • Replies: 0
    • Views: 84
    2019-Mar-22, 01:05 PM Go to last post
  14. George's B-Day (238th)

    Started by George, 2019-Mar-13 04:45 PM
    1 Deleted Post(s)
    • Replies: 17
    • Views: 369
    2019-Mar-18, 03:30 PM Go to last post
  15. Is Planet Nine almost certain, probable, possible or unlikely?

    Started by Tom Mazanec, 2016-Jun-13 04:01 PM
    5 Pages
    1 2 3 ... 5
    1 Deleted Post(s)
    • Replies: 120
    • Views: 19,718
    2019-Mar-15, 11:35 PM Go to last post

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