Astronomy, Exobiology, & Cosmology

amateur astronomy, astrophysics, exoscience

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  1. Plazma Inferno!

    What would happen if aliens contacted Earth?

    Plazma Inferno!, Feb 24, 2016
    Replies:
    13
    Views:
    809
    Plazma Inferno!
    Mar 1, 2016
  2. Mechapixel

    What would happen if two gravitational singularities meet

    Mechapixel, Jul 10, 2009 ... 2
    Replies:
    32
    Views:
    2,699
    Oli
    Jul 13, 2009
  3. gilthaer

    What Would Happen If...

    gilthaer, Apr 3, 2005
    Replies:
    4
    Views:
    785
    cato
    Apr 9, 2005
  4. Gondolin

    What would happen if....

    Gondolin, Mar 12, 2005
    Replies:
    12
    Views:
    867
    Starthane Xyzth
    Mar 20, 2005
  5. kim

    What would you do?

    kim, Aug 26, 2001
    Replies:
    15
    Views:
    1,798
    wet1
    Sep 1, 2001
  6. Alan McDougall

    What would you weigh deep below the earths crust

    Alan McDougall, Jun 14, 2010
    Replies:
    2
    Views:
    602
    mathman
    Jun 14, 2010
  7. Cthulhu

    What's a good Astronomical competency question?

    Cthulhu, Jan 10, 2003
    Replies:
    2
    Views:
    413
    Cthulhu
    Jan 11, 2003
  8. John J. Bannan

    What's being done to discover higher dimensions?

    John J. Bannan, Jul 11, 2007
    Replies:
    7
    Views:
    690
    darksidZz
    Jul 12, 2007
  9. skumara

    What's cool this month?

    skumara, Feb 7, 2005
    Replies:
    4
    Views:
    543
    geodesic
    Feb 7, 2005
  10. Goldtop

    What's Space?

    Goldtop, Aug 3, 2018 ... 2 3 4
    Replies:
    62
    Views:
    4,941
    Seattle
    Aug 8, 2018
  11. s0meguy

    What's the best non-Earth/moon object to have a large extra-terrestial city on?

    s0meguy, Jul 13, 2012
    Replies:
    8
    Views:
    1,905
    KilljoyKlown
    Aug 11, 2012
  12. Chaos

    What's the big deal?

    Chaos, Jul 19, 2000
    Replies:
    8
    Views:
    1,130
    Infinity
    Jul 22, 2000
  13. John J. Bannan

    What's the biggest astronomical mystery?

    John J. Bannan, Jul 5, 2007
    Replies:
    14
    Views:
    1,043
    Klitwo
    Jul 19, 2007
  14. orcot

    What's the biggest object in the solar system

    orcot, Nov 15, 2007
    Replies:
    2
    Views:
    808
    Facial
    Nov 15, 2007
  15. orcot

    What's the biggest object in the solar system

    orcot, Nov 15, 2007 ... 2
    Replies:
    24
    Views:
    4,450
    kaneda
    Nov 19, 2007
  16. science man

    What's the difference between a dark star and a black hole?

    science man, Apr 7, 2010 ... 2
    Replies:
    31
    Views:
    6,487
    common_sense_seeker
    Apr 20, 2010
  17. Itseemstome

    What's the Matter?

    Itseemstome, Feb 23, 2006
    Replies:
    5
    Views:
    687
    Dinosaur
    Feb 26, 2006
  18. (Q)

    What's the next stage?

    (Q), Dec 30, 2001
    Replies:
    1
    Views:
    1,255
    wet1
    Dec 30, 2001
  19. Cassius Malachi

    What's the other 90+% made of?

    Cassius Malachi, Dec 28, 2015 ... 5 6 7
    Replies:
    137
    Views:
    5,286
    paddoboy
    Jan 5, 2016
  20. bradguth

    What's the Terminal Velocity of Space

    bradguth, Jul 4, 2004
    Replies:
    15
    Views:
    12,796
    (Q)
    Aug 3, 2004
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