Astronomy, Exobiology, & Cosmology

amateur astronomy, astrophysics, exoscience

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  1. Exoscientist

    Will the Phoenix Mars Lander find liquid water brines on Mars?

    Exoscientist, Mar 13, 2008
    Replies:
    4
    Views:
    3,791
    draqon
    Mar 27, 2008
  2. kaneda

    What is space?

    kaneda, Dec 3, 2007 ... 3 4 5
    Replies:
    86
    Views:
    3,806
    kaneda
    Dec 10, 2007
  3. FieryIce

    The Longest Crater Chain in Our Solar System, To-Date

    FieryIce, Nov 9, 2004 ... 2 3
    Replies:
    40
    Views:
    3,817
    Red Devil
    Dec 6, 2004
  4. Grumpy

    Baby Universe pictures It's so cute!

    Grumpy, Mar 21, 2013 ... 2
    Replies:
    24
    Views:
    3,837
    orcot
    Mar 23, 2013
  5. Cragzop

    How can something be created from nothing?

    Cragzop, Oct 3, 2016 ... 2
    Replies:
    37
    Views:
    3,845
    DaveC426913
    Apr 25, 2017
  6. draqon

    Which asteroid will destroy Earth?

    draqon, Mar 29, 2008 ... 2
    Replies:
    31
    Views:
    3,847
    Letticia
    Apr 16, 2008
  7. Tiassa

    Curiosity Countdown

    Tiassa, Jul 7, 2012 ... 2 3
    Replies:
    40
    Views:
    3,851
    Trippy
    Aug 18, 2012
  8. Fathoms

    Dumb Question

    Fathoms, Dec 14, 2001 ... 2 3 4
    Replies:
    78
    Views:
    3,852
    Dreamsa
    Dec 31, 2001
  9. fedr808

    NASA, Ares, and Jupiter DIRECT

    fedr808, Apr 17, 2011 ... 2
    Replies:
    26
    Views:
    3,898
    orcot
    May 3, 2011
  10. Dale

    Earth's electric field

    Dale, Mar 31, 2012 ... 2
    Replies:
    23
    Views:
    3,900
    Dale
    Apr 20, 2012
  11. wet1

    2001 Kx76

    wet1, Aug 30, 2001
    Replies:
    14
    Views:
    3,911
    wet1
    Oct 19, 2001
  12. cat2only

    Asteroid 2007 Tu24 Getting Closer

    cat2only, Jan 16, 2008
    Replies:
    17
    Views:
    3,913
    blobrana
    Jan 26, 2008
  13. paddoboy

    60,000 Miles up: Space elevator by 2035:

    paddoboy, Sep 27, 2014 ... 2 3 4
    Replies:
    70
    Views:
    3,925
    Billy T
    Oct 5, 2014
  14. esp

    Infinitly Improbable

    esp, Dec 4, 2001 ... 2
    Replies:
    34
    Views:
    3,927
    Chibiness
    Jun 8, 2003
  15. ULTRA

    Black holes and Gravity

    ULTRA, Nov 11, 2010 ... 2 3 4
    Replies:
    68
    Views:
    3,929
    Green Destiny
    Nov 15, 2010
  16. Orleander

    Saturn's moon is melting

    Orleander, Oct 9, 2007
    Replies:
    6
    Views:
    3,930
    Orleander
    Oct 10, 2007
  17. Joaquin

    What came before the Big Bang?

    Joaquin, Jul 4, 2015 ... 2 3
    Replies:
    45
    Views:
    3,931
    KilljoyKlown
    Sep 8, 2015
  18. Orleander

    Rearranging Stars to Attract Aliens

    Orleander, Feb 17, 2008 ... 2 3
    Replies:
    41
    Views:
    3,935
    invert_nexus
    Mar 10, 2008
  19. Plazma Inferno!

    Congress is working hard to ground NASA's Mars mission

    Plazma Inferno!, May 16, 2016 ... 3 4 5
    Replies:
    91
    Views:
    3,946
    Billy T
    May 20, 2016
  20. Billy T

    Planetary Society's $50,000 prize contest

    Billy T, Dec 14, 2006 ... 2 3 4
    Replies:
    63
    Views:
    3,951
    Mosheh Thezion
    Jan 5, 2007
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