Astronomy, Exobiology, & Cosmology

amateur astronomy, astrophysics, exoscience

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  1. Tiassa
    Locked Sticky

    Action Notes v.1.AEC

    Tiassa, Sep 13, 2011
    Replies:
    5
    Views:
    6,662
    Tiassa
    Apr 22, 2016
  2. hansda

    Universe Expansion

    hansda, Aug 24, 2017 ... 4 5 6
    Replies:
    114
    Views:
    3,687
    NotEinstein
    Sep 22, 2017 at 5:47 PM
  3. Dinosaur

    Politically Correct Nonsense

    Dinosaur, Sep 4, 2017 ... 2
    Replies:
    22
    Views:
    525
    DaveC426913
    Sep 22, 2017 at 5:12 AM
  4. timojin

    cassini

    timojin, Sep 16, 2017 at 1:50 PM ... 2
    Replies:
    23
    Views:
    447
    Michael 345
    Sep 20, 2017 at 12:27 PM
  5. sweetpea

    Am I understanding Cosmological Redshift rightly ?

    sweetpea, Sep 1, 2017
    Replies:
    9
    Views:
    356
    James R
    Sep 17, 2017 at 3:05 PM
  6. Saint

    What created space-time?

    Saint, Sep 4, 2017 ... 2 3
    Replies:
    47
    Views:
    1,381
    dumbest man on earth
    Sep 13, 2017
  7. Dinosaur

    Silicon based life?

    Dinosaur, Sep 10, 2017
    Replies:
    3
    Views:
    101
    timojin
    Sep 10, 2017
  8. timojin

    Can stars be older than the universe ?

    timojin, Sep 8, 2017 ... 2
    Replies:
    32
    Views:
    816
    Michael 345
    Sep 10, 2017
  9. joepistole

    Astronomers are hearing strange things in space again. I wonder what it could be.

    joepistole, Sep 1, 2017
    Replies:
    3
    Views:
    227
    RADII
    Sep 9, 2017
  10. joepistole

    We will have a close encounter today with a collosal asteroid, and most people will not notice.

    joepistole, Sep 1, 2017
    Replies:
    1
    Views:
    107
    DaveC426913
    Sep 1, 2017
  11. danshawen

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

    danshawen, May 30, 2017
    Replies:
    15
    Views:
    1,010
    StrangerInAStrangeLand
    Aug 30, 2017
  12. Xmo1

    Reverse Entropy

    Xmo1, Aug 18, 2017
    Replies:
    9
    Views:
    320
    superstring01
    Aug 29, 2017
  13. timojin

    How old is our galaxy

    timojin, Aug 19, 2017 ... 2
    Replies:
    38
    Views:
    1,074
    DaveC426913
    Aug 28, 2017
  14. Dinosaur

    BangCrunch cosmology

    Dinosaur, Aug 26, 2017
    Replies:
    6
    Views:
    227
    Boris2
    Aug 27, 2017
  15. sweetpea

    Ligo resumes

    sweetpea, Nov 30, 2016
    Replies:
    13
    Views:
    877
    sweetpea
    Aug 26, 2017
  16. joepistole

    The 2017 North American Solar Eclipse

    joepistole, Aug 3, 2017
    Replies:
    19
    Views:
    576
    Janus58
    Aug 23, 2017
  17. RajeshTrivedi

    Schwarzschild radius of the inner part

    RajeshTrivedi, Aug 16, 2017
    Replies:
    1
    Views:
    160
    mathman
    Aug 16, 2017
  18. nebel

    Jupiter's Orbital Velocity & Equatorial Velocity cancel?

    nebel, Jul 31, 2017 ... 2
    Replies:
    26
    Views:
    1,171
    nebel
    Aug 11, 2017
  19. Yazata

    Astrobiology Magazine

    Yazata, Aug 3, 2017
    Replies:
    1
    Views:
    139
    StrangerInAStrangeLand
    Aug 3, 2017
  20. Yazata

    NASA Hiring - Planetary Protection Officer - Protect Earth from Alien Life!

    Yazata, Aug 3, 2017
    Replies:
    0
    Views:
    147
    Yazata
    Aug 3, 2017
  21. The God

    Centre of our Galaxy

    The God, Jul 23, 2017
    Replies:
    9
    Views:
    713
    RADII
    Jul 27, 2017
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