Astronomy, Exobiology, & Cosmology

amateur astronomy, astrophysics, exoscience

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  1. Saith

    What about green?

    Saith, Aug 5, 2003
    Replies:
    8
    Views:
    756
    curioucity
    Aug 8, 2003
  2. Bowser

    What am I looking at?

    Bowser, Jul 12, 2018 ... 2
    Replies:
    26
    Views:
    2,179
    Xelasnave.1947
    Jul 22, 2018
  3. Electro522

    What and where is Planet X?

    Electro522, Feb 8, 2012
    Replies:
    12
    Views:
    1,966
    rpenner
    Feb 10, 2012
  4. andrewsmith1986

    what are gamma ray bursts

    andrewsmith1986, Sep 21, 2004
    Replies:
    6
    Views:
    806
    Pete
    Sep 22, 2004
  5. paddoboy

    WHAT ARE QUARK STARS? Tutorial:

    paddoboy, Jul 26, 2016
    Replies:
    0
    Views:
    301
    paddoboy
    Jul 26, 2016
  6. Shadow1

    What are the dimentions exactly?

    Shadow1, Jun 25, 2010 ... 2 3
    Replies:
    52
    Views:
    5,912
    machiaventa
    Aug 2, 2010
  7. orcot

    what are the interesting places in the solar ststem that get to little attention

    orcot, Sep 16, 2014
    Replies:
    1
    Views:
    312
    cosmictraveler
    Sep 16, 2014
  8. Sergio

    What are the sources for your favorite uncommon things?

    Sergio, Nov 20, 2008
    Replies:
    10
    Views:
    1,479
    John Connellan
    Nov 1, 2009
  9. Lawdog

    What are the stars?

    Lawdog, Jun 22, 2005
    Replies:
    19
    Views:
    1,170
    Ophiolite
    Jun 29, 2005
  10. Shadow1

    What are the true colours of planet Mars?

    Shadow1, Sep 8, 2010
    Replies:
    11
    Views:
    4,184
    Shadow1
    Sep 24, 2010
  11. Observer

    What are these lights seen from the space station?

    Observer, May 9, 2020 ... 2
    Replies:
    36
    Views:
    1,254
    exchemist
    May 10, 2020
  12. Creeptology

    what astro software do you use

    Creeptology, Apr 29, 2008
    Replies:
    3
    Views:
    454
    EmmZ
    Apr 29, 2008
  13. common_sense_seeker

    What Came 'Before' the Big Bang? Leading Physicists Present a Radical Theory

    common_sense_seeker, Feb 8, 2010 ... 2
    Replies:
    34
    Views:
    3,110
    StrangerInAStrangeLand
    Feb 17, 2010
  14. Joaquin

    What came before the Big Bang?

    Joaquin, Jul 4, 2015 ... 2 3
    Replies:
    45
    Views:
    3,930
    KilljoyKlown
    Sep 8, 2015
  15. Burada

    What Came first, Black Holes or galaxies?

    Burada, Jan 10, 2009
    Replies:
    19
    Views:
    967
    quantum_wave
    Feb 1, 2009
  16. Grumpy

    What can Astronomy show us?

    Grumpy, Dec 26, 2013 ... 2 3 4
    Replies:
    79
    Views:
    4,726
    Grumpy
    Jan 13, 2014
  17. Frud11

    What can we see of a Black Hole?

    Frud11, Feb 5, 2008
    Replies:
    8
    Views:
    964
    draqon
    Feb 8, 2008
  18. Der Voron

    What caused the crash of Space Shuttle Columbia?

    Der Voron, Feb 17, 2003
    Replies:
    7
    Views:
    693
    Pi.r.Squared
    Feb 17, 2003
  19. 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
  20. wegs

    What causes black holes and stars to spin?

    wegs, Jan 24, 2020
    Replies:
    10
    Views:
    481
    paddoboy
    Jan 29, 2020
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