Astronomy, Exobiology, & Cosmology

amateur astronomy, astrophysics, exoscience

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  1. Trippy

    Rosetta mission to comet - Congratulations to the ESA

    Trippy, Nov 12, 2014 ... 2 3
    Replies:
    50
    Views:
    2,103
    Captain Kremmen
    Nov 19, 2014
  2. TruthSeeker

    Intergalactic Method of Transportation?

    TruthSeeker, Sep 30, 2010 ... 2 3
    Replies:
    50
    Views:
    4,914
    Skeptical
    Oct 21, 2010
  3. M. Mansouryar

    Practical Spacewarp Design

    M. Mansouryar, Mar 10, 2006 ... 2 3
    Replies:
    50
    Views:
    4,644
    M. Mansouryar
    Sep 27, 2007
  4. draqon

    the universe diameter: 3.98308653 × 10^9 Parsecs

    draqon, Jan 29, 2007 ... 2 3
    Replies:
    50
    Views:
    1,680
    Mosheh Thezion
    Feb 1, 2007
  5. extrasense
    Locked

    PROOF of MARTIAN CIVILIZATION

    extrasense, Feb 16, 2005 ... 2 3
    Replies:
    50
    Views:
    2,355
    (Q)
    Feb 19, 2005
  6. atlantis

    Theory of Infinity

    atlantis, Jan 18, 2000 ... 2 3
    Replies:
    50
    Views:
    4,312
    Gravage
    Oct 6, 2003
  7. JEL

    Is the gravitational center of the solar-system relative to planetary position?

    JEL, Feb 7, 2023 ... 2 3
    Replies:
    51
    Views:
    3,476
    James R
    Feb 16, 2023
  8. danshawen

    LIGO's "New Ear for the Universe"

    danshawen, Sep 19, 2015 ... 2 3
    Replies:
    51
    Views:
    3,252
    krash661
    Sep 26, 2015
  9. river

    Big Dipper star fading out ?

    river, Feb 10, 2013 ... 2 3
    Replies:
    51
    Views:
    8,340
    Rhaedas
    Feb 17, 2013
  10. arauca

    Big bang flaws:

    arauca, Feb 5, 2012 ... 2 3
    Replies:
    51
    Views:
    4,589
    Pincho Paxton
    Mar 8, 2012
  11. ElectricFetus

    Direct 3.0: NASA is in a bind.

    ElectricFetus, Jun 17, 2009 ... 2 3
    Replies:
    51
    Views:
    7,512
    ElectricFetus
    Jul 28, 2011
  12. cosmictraveler

    We shouldn't send humans to Mars or the Moon.

    cosmictraveler, Dec 22, 2007 ... 2 3
    Replies:
    51
    Views:
    5,008
    kaneda
    Dec 28, 2007
  13. Godless

    Are we the only intelegent beings in the universe?

    Godless, Sep 3, 2001 ... 2 3
    Replies:
    51
    Views:
    5,064
    wet1
    Nov 17, 2001
  14. spankyface

    how long would it take to travel a light-year?

    spankyface, Nov 29, 2001 ... 2 3
    Replies:
    52
    Views:
    190,802
    Write4U
    Feb 7, 2016
  15. dumbest man on earth

    "Big Bang: How the Universe was created"

    dumbest man on earth, Aug 17, 2014 ... 2 3
    Replies:
    52
    Views:
    4,051
    river
    Aug 31, 2014
  16. common_sense_seeker

    The Emperor's New Anisotropic Gravity & Why Physicists Are So Blind To It

    common_sense_seeker, Jul 6, 2011 ... 2 3
    Replies:
    52
    Views:
    6,488
    Walter L. Wagner
    Jul 19, 2011
  17. SeeKer

    Multiple Universes..

    SeeKer, Jun 11, 1999 ... 2 3
    Replies:
    52
    Views:
    5,572
    Stryder
    Jul 15, 2011
  18. Shadow1

    What are the dimentions exactly?

    Shadow1, Jun 25, 2010 ... 2 3
    Replies:
    52
    Views:
    5,921
    machiaventa
    Aug 2, 2010
  19. Cazzo

    Is humanity falling behind in space colonization ?

    Cazzo, Jun 15, 2008 ... 2 3
    Replies:
    52
    Views:
    1,506
    USS Athens
    Jun 18, 2008
  20. pluto2

    Age of the universe question

    pluto2, Feb 4, 2008 ... 2 3
    Replies:
    52
    Views:
    2,492
    kaneda
    Feb 11, 2008
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