Astronomy, Exobiology, & Cosmology

amateur astronomy, astrophysics, exoscience

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  1. thedemon13666

    Hawkings Theory

    thedemon13666, May 24, 2006 ... 2 3 4
    Replies:
    61
    Views:
    5,861
    Billy T
    Jun 10, 2008
  2. platzapS

    what was before the Big Bang?

    platzapS, Jan 8, 2003 ... 2 3 4
    Replies:
    61
    Views:
    2,718
    WildBlueYonder
    Feb 14, 2003
  3. TonyYuan

    Why Mercury's precession is not as big as Earth? (5.75" < 11.45")

    TonyYuan, Apr 7, 2020 ... 2 3 4
    Replies:
    62
    Views:
    4,558
    exchemist
    Jun 11, 2020
  4. geordief

    How are gravitons supposed to work?

    geordief, Jul 6, 2019 ... 2 3 4
    Replies:
    62
    Views:
    2,306
    Write4U
    Jul 9, 2019
  5. Goldtop

    What's Space?

    Goldtop, Aug 3, 2018 ... 2 3 4
    Replies:
    62
    Views:
    4,955
    Seattle
    Aug 8, 2018
  6. Betrayer0fHope

    The infinite universe

    Betrayer0fHope, Oct 25, 2008 ... 2 3 4
    Replies:
    62
    Views:
    3,277
    theoneiuse
    Nov 21, 2008
  7. darksidZz

    Is Earth The Only Planet With Life?

    darksidZz, Apr 25, 2007 ... 2 3 4
    Replies:
    62
    Views:
    5,166
    Athelwulf
    May 6, 2007
  8. Prince_James

    Pissed off about Pluto

    Prince_James, Nov 5, 2006 ... 2 3 4
    Replies:
    62
    Views:
    2,725
    Gondolin
    Jan 19, 2007
  9. s0meguy

    What shape would real spaceships tend to have?

    s0meguy, Jul 3, 2011 ... 2 3 4
    Replies:
    63
    Views:
    16,054
    Dywyddyr
    Dec 17, 2011
  10. quantum_wave

    What if the LHC doesn’t find the Higgs boson …

    quantum_wave, Sep 7, 2008 ... 2 3 4
    Replies:
    63
    Views:
    6,491
    James R
    Sep 13, 2008
  11. draqon

    When will humans land on Mars?

    draqon, Jul 7, 2008 ... 2 3 4
    Replies:
    63
    Views:
    5,500
    cosmictraveler
    Jul 16, 2008
  12. kazbadan

    pick a planet

    kazbadan, Apr 12, 2008 ... 2 3 4
    Replies:
    63
    Views:
    3,217
    kazbadan
    Apr 15, 2008
  13. John J. Bannan

    Which direction are we traveling in space?

    John J. Bannan, Jul 6, 2007 ... 2 3 4
    Replies:
    63
    Views:
    5,047
    Montec
    Aug 2, 2007
  14. Billy T

    Planetary Society's $50,000 prize contest

    Billy T, Dec 14, 2006 ... 2 3 4
    Replies:
    63
    Views:
    3,952
    Mosheh Thezion
    Jan 5, 2007
  15. EmptyForceOfChi

    Why is space black?

    EmptyForceOfChi, Oct 27, 2005 ... 2 3 4
    Replies:
    63
    Views:
    3,643
    RickyH
    Dec 2, 2005
  16. Kumar

    Effects of Cosmic Rays

    Kumar, May 18, 2004 ... 2 3 4
    Replies:
    63
    Views:
    4,301
    hotsexyangelprincess
    Jul 7, 2004
  17. Bachus

    Scientist discover black hole in our galaxie

    Bachus, Oct 16, 2002 ... 2 3 4
    Replies:
    63
    Views:
    1,885
    chroot
    Oct 19, 2002
  18. trevor borocz johnson

    clocks on a spaceship

    trevor borocz johnson, Aug 15, 2016 ... 2 3 4
    Replies:
    64
    Views:
    2,715
    paddoboy
    Aug 22, 2016
  19. StrangerInAStrangeLand

    Geocentric Belief

    StrangerInAStrangeLand, Jul 15, 2015 ... 2 3 4
    Replies:
    64
    Views:
    4,967
    paddoboy
    Jul 31, 2015
  20. danshawen

    Tabby's Star (Dyson Sphere, Alien SETI Eclipse?) Flickering Again

    danshawen, May 30, 2017 ... 2 3 4
    Replies:
    65
    Views:
    5,808
    orcot
    Feb 3, 2018
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Page 272 of 286