Astronomy, Exobiology, & Cosmology

amateur astronomy, astrophysics, exoscience

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  1. RainbowSingularity

    City Killer astroid near miss

    RainbowSingularity, Apr 16, 2018
    Replies:
    1
    Views:
    601
    Michael 345
    Apr 16, 2018
  2. Yazata
    Locked

    Tiangong 1 Reenters Over South Pacific

    Yazata, Apr 2, 2018 ... 2 3
    Replies:
    42
    Views:
    3,034
    James R
    Apr 23, 2018
  3. RainbowSingularity

    Big White A Hole

    RainbowSingularity, Mar 29, 2018 ... 2
    Replies:
    29
    Views:
    2,525
    RainbowSingularity
    Apr 23, 2018
  4. RainbowSingularity

    S.T.E.V.E is soo hot !

    RainbowSingularity, Mar 26, 2018
    Replies:
    1
    Views:
    981
    TheFrogger
    Apr 24, 2018
  5. Nathaniel Moikabi

    Bioastronomy

    Nathaniel Moikabi, Apr 23, 2018
    Replies:
    10
    Views:
    1,209
    sculptor
    Apr 26, 2018
  6. sweetpea

    This is such a wow! picture

    sweetpea, Apr 26, 2018
    Replies:
    6
    Views:
    749
    nebel
    Apr 27, 2018
  7. orcot

    Living inside a star

    orcot, Apr 25, 2018
    Replies:
    5
    Views:
    827
    orcot
    Apr 30, 2018
  8. Xmo1
    Redirect

    Astronomy

    Xmo1, May 5, 2018
    Replies:
    –
    Views:
    –
    N/A
  9. icarus2

    Dark matter is Negative mass!

    icarus2, May 2, 2018 ... 2 3
    Replies:
    48
    Views:
    6,563
    NotEinstein
    May 11, 2018
  10. Dinosaur

    Planet 180 degrees from earth in same orbit?

    Dinosaur, May 9, 2009 ... 2 3
    Replies:
    49
    Views:
    8,274
    DaveC426913
    May 13, 2018
  11. paddoboy

    To Mars in 70 days: Expert discusses NASA's study of paradoxical EM propulsion drive

    paddoboy, Dec 7, 2016 ... 2
    Replies:
    33
    Views:
    2,563
    Q-reeus
    May 25, 2018
  12. Seattle

    How long do you think humans will be around?

    Seattle, Dec 16, 2017 ... 3 4 5
    Replies:
    80
    Views:
    6,521
    sculptor
    Jun 4, 2018
  13. Yazata

    Organic Chemicals on Mars

    Yazata, Jun 7, 2018
    Replies:
    1
    Views:
    571
    DaveC426913
    Jun 8, 2018
  14. Q-reeus

    Simple geometric proof GR's GW's are impossible

    Q-reeus, Jul 7, 2016 ... 15 16 17
    Replies:
    335
    Views:
    27,019
    Q-reeus
    Jun 9, 2018
  15. Andrew256

    Dimension scale loop (for the lack of better term)

    Andrew256, Jun 14, 2018
    Replies:
    4
    Views:
    722
    Michael 345
    Jun 15, 2018
  16. Seattle

    How rare is life in our Universe?

    Seattle, Jun 18, 2018 ... 2 3
    Replies:
    46
    Views:
    2,739
    gebobs
    Jun 25, 2018
  17. Hayden

    Galactic Collision

    Hayden, Jun 21, 2018 ... 2
    Replies:
    23
    Views:
    1,301
    origin
    Jun 27, 2018
  18. Hayden

    General Relativity and Dark Matter

    Hayden, Jul 1, 2018
    Replies:
    15
    Views:
    1,029
    Hayden
    Jul 2, 2018
  19. wangchaoqing
    Locked

    Our Galaxy hosts the annihilation

    wangchaoqing, Jun 8, 2018
    Replies:
    2
    Views:
    675
    James R
    Jul 12, 2018
  20. Dinosaur

    Communicating with ET cultures

    Dinosaur, Jul 19, 2018
    Replies:
    0
    Views:
    414
    Dinosaur
    Jul 19, 2018
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