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Forum: Astronomy

It's a big Universe. Talk about it here.

  1. Sticky Thread Sticky: The ULTIMATE Astronomy Quiz 2

    Started by antoniseb, 2017-Aug-01 11:41 AM
    2 Pages
    1 2
    • Replies: 52
    • Views: 3,325
    2017-Nov-18, 10:18 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: 317,649
    2017-Jul-28, 07:46 PM Go to last post
  1. The universe makes no sense to the human brain !

    Started by kevin1981, 2013-Oct-12 12:25 PM
    2 Pages
    1 2
    • Replies: 54
    • Views: 7,202
    Today, 02:45 PM Go to last post
  2. Popular Astronomy/Astrophysics Books

    Started by cjackson, 2014-Jun-16 06:47 AM
    2 Pages
    1 2
    • Replies: 45
    • Views: 6,429
    Yesterday, 02:48 AM Go to last post
    • Replies: 2
    • Views: 131
    Yesterday, 01:46 AM Go to last post
  3. Color Bullets for the Sun

    Started by George, 2017-Dec-02 06:42 PM
    2 Pages
    1 2
    • Replies: 35
    • Views: 356
    2017-Dec-09, 11:17 PM Go to last post
  4. The Evolution of the Standard Candle....Sn1a's

    Started by trinitree88, 2017-Dec-08 07:48 PM
    • Replies: 1
    • Views: 67
    2017-Dec-08, 08:25 PM Go to last post
  5. Another central Milky Way massive black hole?

    Started by Cougar, 2017-Nov-05 02:26 PM
    2 Pages
    1 2
    • Replies: 40
    • Views: 906
    2017-Dec-07, 09:37 PM Go to last post
  6. Cool Geminid Meteor Shower - Peak 2017 DEC 13-14

    Started by Centaur, 2017-Dec-07 12:19 AM
    • Replies: 0
    • Views: 27
    2017-Dec-07, 12:19 AM Go to last post
  7. Pulsar glitches

    Started by trinitree88, 2017-Dec-06 02:16 PM
    • Replies: 0
    • Views: 45
    2017-Dec-06, 02:16 PM Go to last post
  8. scale invariance of the empty space

    Started by dtilque, 2017-Dec-05 03:11 AM
    • Replies: 2
    • Views: 100
    2017-Dec-05, 03:11 PM Go to last post
  9. Interstellar Comet

    Started by tony873004, 2017-Oct-25 07:19 AM
    3 Pages
    1 2 3
    • Replies: 69
    • Views: 2,142
    2017-Dec-05, 01:54 PM Go to last post
  10. Multi-component Dark Matter Halos

    Started by trinitree88, 2017-Dec-03 04:55 PM
    • Replies: 0
    • Views: 54
    2017-Dec-03, 04:55 PM Go to last post
  11. Problem Analyzing Type 1a's

    Started by trinitree88, 2017-Dec-02 08:22 PM
    • Replies: 1
    • Views: 88
    2017-Dec-02, 10:18 PM Go to last post
  12. Cool SuperMoons 2015-2034

    Started by Centaur, 2017-Dec-02 06:26 AM
    • Replies: 1
    • Views: 67
    2017-Dec-02, 08:43 AM Go to last post
    • Replies: 6
    • Views: 929
    2017-Dec-01, 04:10 PM Go to last post
  13. Are Saturn's moons younger than the dinosaurs?

    Started by m1omg, 2017-Nov-30 04:48 PM
    • Replies: 2
    • Views: 143
    2017-Dec-01, 11:40 AM Go to last post
    • Replies: 2
    • Views: 154
    2017-Nov-30, 06:05 AM Go to last post
  14. Star color nomenclature

    Started by Hornblower, 2017-Nov-09 04:15 PM
    • Replies: 19
    • Views: 532
    2017-Nov-29, 06:06 PM Go to last post
    • Replies: 0
    • Views: 56
    2017-Nov-29, 04:02 PM Go to last post
  15. Smile Lunar X - Evening of 2017 NOV 25

    Started by Centaur, 2017-Nov-18 07:03 PM
    • Replies: 2
    • Views: 127
    2017-Nov-26, 12:22 AM Go to last post
  16. Is Pluto about to be reinstated as a planet?

    Started by rtroxel, 2014-Oct-03 01:21 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 140
    • Views: 93,539
    2017-Nov-23, 03:36 PM Go to last post

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