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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: 7,069
    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: 336,634
    2017-Jul-28, 07:46 PM Go to last post
  1. Cool Mars Close and Bright in Late July

    Started by Centaur, 2018-Jul-14 04:55 PM
    • Replies: 6
    • Views: 106
    Today, 09:41 AM Go to last post
    • Replies: 7
    • Views: 117
    Yesterday, 04:22 PM Go to last post
    • Replies: 6
    • Views: 150
    Yesterday, 01:30 AM Go to last post
    • Replies: 15
    • Views: 529
    2018-Jul-18, 07:00 AM Go to last post
  2. HR diagram for planets

    Started by parallaxicality, 2018-May-16 09:57 AM
    • Replies: 12
    • Views: 649
    2018-Jul-17, 07:20 PM Go to last post
  3. In-Finite

    Started by LTSCOTT, 2018-Jul-16 05:58 AM
    black holes, infinity, laws of physics, singularity
    • Replies: 3
    • Views: 74
    2018-Jul-16, 12:27 PM Go to last post
  4. Comet 2017 S3 (Panstarrs)

    Started by Superluminal, 2018-Jul-05 07:40 AM
    • Replies: 7
    • Views: 235
    2018-Jul-16, 03:43 AM Go to last post
  5. South Africa's MeerKAT Radio Telescope

    Started by selvaarchi, 2018-Jul-14 02:58 AM
    • Replies: 0
    • Views: 41
    2018-Jul-14, 02:58 AM Go to last post
  6. The Many Faces of Venus

    Started by George, 2018-Jul-12 08:01 PM
    • Replies: 4
    • Views: 106
    2018-Jul-13, 07:46 PM Go to last post
  7. Cool July New Moon Spotting

    Started by Centaur, 2018-Jul-12 03:38 PM
    • Replies: 1
    • Views: 35
    2018-Jul-12, 04:19 PM Go to last post
    • Replies: 0
    • Views: 58
    2018-Jul-09, 11:51 AM Go to last post
  8. Cool Total Lunar Eclipse - 2018 JUL 27

    Started by Centaur, 2018-Jul-08 03:22 PM
    • Replies: 0
    • Views: 48
    2018-Jul-08, 03:22 PM Go to last post
  9. asteroid 2018 LA

    Started by selvaarchi, 2018-Jul-08 01:44 AM
    • Replies: 0
    • Views: 55
    2018-Jul-08, 01:44 AM Go to last post
  10. Milky Way larger than 100,000 light years

    Started by selvaarchi, 2018-Jul-03 02:10 PM
    • Replies: 4
    • Views: 183
    2018-Jul-06, 09:50 PM Go to last post
    • Replies: 0
    • Views: 60
    2018-Jul-06, 02:37 PM Go to last post
  11. Interstellar Comet

    Started by tony873004, 2017-Oct-25 07:19 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 120
    • Views: 5,816
    2018-Jun-30, 12:39 AM Go to last post
  12. Cool Moon Occults Mag +2.8 Delta Capricorni - July 01-02

    Started by Centaur, 2018-Jun-29 03:57 PM
    • Replies: 0
    • Views: 53
    2018-Jun-29, 03:57 PM Go to last post
  13. Dangling a rope from orbit.... (Is this a stupid question?)

    Started by sadprince, 2002-Jun-24 02:13 PM
    3 Pages
    1 2 3
    • Replies: 74
    • Views: 15,234
    2018-Jun-28, 02:59 PM Go to last post
  14. Twin Sn1a have different peak luminosity

    Started by trinitree88, 2018-Jun-25 02:24 PM
    • Replies: 1
    • Views: 138
    2018-Jun-26, 08:16 PM Go to last post
  15. Question Is the Solar System's Barycenter Inside or Outside the Sun?

    Started by Fiery Phoenix, 2017-Mar-07 08:19 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 174
    • Views: 12,148
    2018-Jun-25, 05:40 PM Go to last post

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