Astronomy, Exobiology, & Cosmology

amateur astronomy, astrophysics, exoscience

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  1. Monkeymia

    Do you Seti crunch?

    Monkeymia, Nov 29, 2001 ... 2 3
    Replies:
    59
    Views:
    5,242
    SPEEDYJ
    Dec 5, 2001
  2. Cassius Malachi

    What's the other 90+% made of?

    Cassius Malachi, Dec 28, 2015 ... 5 6 7
    Replies:
    137
    Views:
    5,249
    paddoboy
    Jan 5, 2016
  3. Alan McDougall

    Questions relating to the universe

    Alan McDougall, Jul 17, 2010 ... 2 3
    Replies:
    48
    Views:
    5,273
    Alan McDougall
    Aug 5, 2010
  4. Dinosaur

    Earliest time possible for life?

    Dinosaur, Mar 16, 2011 ... 2
    Replies:
    33
    Views:
    5,276
    Fraggle Rocker
    Mar 24, 2011
  5. Spud Emperor

    Help finding a graphic.

    Spud Emperor, Apr 4, 2008
    Replies:
    7
    Views:
    5,284
    invert_nexus
    Apr 6, 2008
  6. arauca

    International space station

    arauca, Mar 8, 2013 ... 2
    Replies:
    32
    Views:
    5,285
    Lady Elizabeth
    Mar 12, 2013
  7. wet1

    A Strange Ring Galaxy

    wet1, Sep 21, 2002 ... 3 4 5
    Replies:
    96
    Views:
    5,314
    Singularity
    Feb 24, 2007
  8. Saint

    The biggest planet in the universe

    Saint, May 26, 2021 ... 2
    Replies:
    29
    Views:
    5,317
    C C
    Nov 20, 2021
  9. QuarkMoon

    Travel to Mars in 3 hours

    QuarkMoon, Jan 7, 2006 ... 3 4 5
    Replies:
    94
    Views:
    5,319
    Communist Hamster
    Mar 8, 2006
  10. Kel

    Einstein-Rosen Bridge Creation

    Kel, Jun 14, 2011 ... 2
    Replies:
    25
    Views:
    5,321
    paddoboy
    Nov 5, 2013
  11. genep

    Reverse Big Bang

    genep, Oct 30, 2006 ... 2
    Replies:
    20
    Views:
    5,345
    Ophiolite
    Jun 16, 2009
  12. hansda

    Gravitational force between two spinning masses

    hansda, Jun 6, 2012 ... 2 3
    Replies:
    46
    Views:
    5,346
    hansda
    Jul 5, 2012
  13. orcot

    terraforming venus (sort off)

    orcot, Aug 31, 2008 ... 2
    Replies:
    34
    Views:
    5,355
    John Connellan
    Jan 14, 2009
  14. Dryzalaxean

    when?

    Dryzalaxean, Aug 3, 2008 ... 3 4 5
    Replies:
    99
    Views:
    5,365
    DwayneD.L.Rabon
    Nov 11, 2008
  15. Reiku

    Ekpyrotic Theory, Hyperspace Theory and Building a Universe

    Reiku, Oct 2, 2007
    Replies:
    5
    Views:
    5,384
    bsemak
    Oct 2, 2007
  16. BdS

    Cosmology is in crisis – but not for the reason you may think

    BdS, Jan 8, 2016 ... 4 5 6
    Replies:
    109
    Views:
    5,396
    paddoboy
    Jan 12, 2016
  17. Ivanovich

    What caused the water to apear on Earth?

    Ivanovich, Dec 21, 2007 ... 2 3 4
    Replies:
    75
    Views:
    5,400
    kaneda
    Dec 27, 2007
  18. Cyperium

    Question about observing the past (WMAP)

    Cyperium, Jul 10, 2012 ... 2 3
    Replies:
    54
    Views:
    5,410
    Cyperium
    Jul 29, 2012
  19. S.A.M.

    Expanding Universe

    S.A.M., May 9, 2007 ... 4 5 6
    Replies:
    112
    Views:
    5,427
    Read-Only
    May 13, 2007
  20. Electro522

    Black Holes: Key to the beginning and end of the universe?

    Electro522, Nov 2, 2011 ... 4 5 6
    Replies:
    106
    Views:
    5,432
    KilljoyKlown
    Nov 8, 2011
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