Astronomy, Exobiology, & Cosmology

amateur astronomy, astrophysics, exoscience

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  1. wet1

    Are we running out of time?

    wet1, Dec 16, 2001
    Replies:
    8
    Views:
    1,435
    Mr. G
    Dec 17, 2001
  2. ossipoff

    Are we quarantined?

    ossipoff, Sep 26, 2003
    Replies:
    6
    Views:
    628
    Mark
    Sep 28, 2003
  3. The 2nd Einstein

    Are we ever going to get out?

    The 2nd Einstein, Jun 11, 2005 ... 2
    Replies:
    21
    Views:
    1,667
    Mr Anonymous
    Jun 25, 2005
  4. Ophiolite

    Are they watching us, even as we speak?

    Ophiolite, Feb 12, 2007 ... 2
    Replies:
    29
    Views:
    2,407
    jumpercable
    Mar 1, 2007
  5. LIGHTBEING

    Are there shortcuts through Space

    LIGHTBEING, Mar 22, 2002 ... 2
    Replies:
    20
    Views:
    1,792
    jcsd
    Jun 11, 2003
  6. river

    are there galaxies that are dying out

    river, Jan 18, 2012
    Replies:
    11
    Views:
    1,114
    Boris2
    Jan 31, 2012
  7. Saint

    Are there evidences against Big Bang theory?

    Saint, Jan 18, 2017
    Replies:
    14
    Views:
    811
    SimonsCat
    Jan 20, 2017
  8. Electro522

    Are there "no-gravity" zones around Black Holes?

    Electro522, Mar 8, 2012
    Replies:
    5
    Views:
    720
    Electro522
    Mar 9, 2012
  9. brightgreen

    Are spiral galaxies really spirally?

    brightgreen, Jan 20, 2002
    Replies:
    2
    Views:
    2,713
    flamethrower
    Jan 21, 2002
  10. orcot

    Are space planes possible?

    orcot, Apr 28, 2007 ... 2
    Replies:
    23
    Views:
    1,497
    phlogistician
    Apr 30, 2007
  11. nalxhal

    Are physics constants universal in time and space ?

    nalxhal, Jan 22, 2009
    Replies:
    2
    Views:
    480
    nalxhal
    Jan 22, 2009
  12. pluto2

    Are most galaxies in the universe dwarf galaxies?

    pluto2, Dec 10, 2008
    Replies:
    3
    Views:
    564
    pluto2
    Dec 10, 2008
  13. paddoboy

    Are Martian Dust Storms Dangerous?

    paddoboy, Aug 31, 2015
    Replies:
    6
    Views:
    699
    sweetpea
    Sep 1, 2015
  14. draqon

    Are high altitude hydrogen balloons allowed?

    draqon, Jul 20, 2008
    Replies:
    3
    Views:
    658
    kevinalm
    Jul 21, 2008
  15. common_sense_seeker

    Are Galaxies Expanding?

    common_sense_seeker, Sep 11, 2008 ... 2 3
    Replies:
    56
    Views:
    2,321
    Ophiolite
    Oct 1, 2008
  16. Cazzo

    Are Black Holes the next victim of political correctness ?

    Cazzo, Jul 11, 2008
    Replies:
    14
    Views:
    1,197
    JoNnYBoY
    Jul 15, 2008
  17. Caronte

    Are all the stuff from regulus angle?

    Caronte, Nov 20, 2001
    Replies:
    1
    Views:
    948
    Mr. G
    Nov 20, 2001
  18. Plazma Inferno!

    Archinaut, a 3D printing robot to make big structures in space

    Plazma Inferno!, Mar 8, 2016
    Replies:
    0
    Views:
    202
    Plazma Inferno!
    Mar 8, 2016
  19. sculptor

    AR2767

    sculptor, Aug 8, 2020
    Replies:
    8
    Views:
    417
    RainbowSingularity
    Aug 20, 2020
  20. Maddad

    Appreciation of Cosmic Distances

    Maddad, Feb 1, 2005
    Replies:
    6
    Views:
    738
    Ophiolite
    Feb 5, 2005
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