Astronomy, Exobiology, & Cosmology

amateur astronomy, astrophysics, exoscience

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  1. Jon X

    Terraforming.

    Jon X, Jan 13, 2009 ... 2 3
    Replies:
    55
    Views:
    2,913
    ElectricFetus
    Jun 23, 2009
  2. OilIsMastery

    Immanuel Velikovsky

    OilIsMastery, Dec 6, 2008 ... 2 3
    Replies:
    55
    Views:
    4,057
    Ophiolite
    Dec 18, 2008
  3. Quantum Quack

    The centre of the universe - signal

    Quantum Quack, Jul 8, 2004 ... 2 3
    Replies:
    55
    Views:
    3,783
    Starthane Xyzth
    Sep 20, 2004
  4. mario

    what proof of time?

    mario, Jul 4, 2004 ... 2 3
    Replies:
    55
    Views:
    4,092
    Knowledge
    Aug 26, 2004
  5. god-of-course

    black hole

    god-of-course, Aug 16, 2003 ... 2 3
    Replies:
    55
    Views:
    4,543
    Mark
    Jan 4, 2004
  6. A Canadian

    Will man ever reach the end of the universe?

    A Canadian, Jan 27, 2003 ... 2 3
    Replies:
    55
    Views:
    3,316
    blobrana
    Feb 10, 2003
  7. Asguard

    what IS life?

    Asguard, Jan 15, 2003 ... 2 3
    Replies:
    55
    Views:
    2,426
    ElectricFetus
    Jan 31, 2003
  8. Saint

    The universe is Flat?

    Saint, Dec 20, 2014 ... 2 3
    Replies:
    56
    Views:
    2,606
    LaurieAG
    Jan 4, 2015
  9. arauca

    rethinking how the universe began

    arauca, Jul 26, 2013 ... 2 3
    Replies:
    56
    Views:
    4,243
    river
    Sep 14, 2013
  10. Saint

    Space can expand faster than the Speed of Light?

    Saint, Sep 1, 2011 ... 2 3
    Replies:
    56
    Views:
    6,119
    Emil
    Sep 5, 2011
  11. common_sense_seeker

    Are Galaxies Expanding?

    common_sense_seeker, Sep 11, 2008 ... 2 3
    Replies:
    56
    Views:
    2,321
    Ophiolite
    Oct 1, 2008
  12. Cyperium

    The Center of the Universe

    Cyperium, Aug 3, 2008 ... 2 3
    Replies:
    56
    Views:
    3,209
    Cyperium
    Aug 18, 2008
  13. Reiku
    Locked

    My Final Theory

    Reiku, Dec 7, 2007 ... 2 3
    Replies:
    56
    Views:
    4,157
    (Q)
    Dec 8, 2007
  14. Oniw17

    deaths in space?

    Oniw17, Oct 31, 2006 ... 2 3
    Replies:
    56
    Views:
    2,433
    draqon
    Nov 6, 2006
  15. Success_Machine

    Starship "Generations"

    Success_Machine, Jul 14, 2001 ... 2 3
    Replies:
    56
    Views:
    3,978
    eburacum45
    Jul 10, 2003
  16. wet1

    Possible Dangerous Martian Life

    wet1, May 2, 2002 ... 2 3
    Replies:
    56
    Views:
    3,362
    Avatar
    Jul 4, 2002
  17. nebel

    1 I/2017 UI Oumuamua

    nebel, Nov 26, 2017 ... 2 3
    Replies:
    57
    Views:
    7,439
    Gawdzilla Sama
    Nov 21, 2018
  18. The God

    Cosmic Censorship

    The God, Mar 30, 2017 ... 2 3
    Replies:
    57
    Views:
    5,165
    Write4U
    Apr 30, 2017
  19. The God

    Center of a Galaxy and Black Hole

    The God, Mar 18, 2016 ... 2 3
    Replies:
    57
    Views:
    2,034
    paddoboy
    Apr 4, 2016
  20. youreyes

    Interstellar movie

    youreyes, Aug 1, 2014 ... 2 3
    Replies:
    57
    Views:
    4,662
    DaveC426913
    Nov 10, 2014
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