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:
    7,299
    Tiassa
    Apr 22, 2016
  2. RainbowSingularity

    Big White A Hole

    RainbowSingularity, Mar 29, 2018 ... 2
    Replies:
    25
    Views:
    353
    RainbowSingularity
    Apr 19, 2018 at 11:20 AM
  3. Yazata

    Tiangong 1 Reenters Over South Pacific

    Yazata, Apr 2, 2018 ... 2
    Replies:
    23
    Views:
    629
    LaurieAG
    Apr 19, 2018 at 8:05 AM
  4. nebel

    Jupiter's Orbital Velocity & Equatorial Velocity cancel?

    nebel, Jul 31, 2017 ... 2 3
    Replies:
    49
    Views:
    2,264
    nebel
    Apr 17, 2018 at 9:50 PM
  5. RainbowSingularity

    City Killer astroid near miss

    RainbowSingularity, Apr 16, 2018 at 1:21 PM
    Replies:
    1
    Views:
    41
    Michael 345
    Apr 16, 2018 at 4:28 PM
  6. nebel

    Where is most "gravity", inside or out?

    nebel, Feb 29, 2016 ... 6 7 8
    Replies:
    159
    Views:
    5,350
    nebel
    Apr 16, 2018 at 5:47 AM
  7. Xmo1

    Universe?Metrics

    Xmo1, Mar 29, 2018
    Replies:
    17
    Views:
    284
    NotEinstein
    Apr 4, 2018
  8. RainbowSingularity

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

    RainbowSingularity, Mar 26, 2018
    Replies:
    0
    Views:
    142
    RainbowSingularity
    Mar 26, 2018
  9. Bowser

    If Space is Expanding?

    Bowser, Feb 17, 2018 ... 2
    Replies:
    36
    Views:
    1,027
    exchemist
    Mar 15, 2018
  10. LaurieAG

    Vale Stephen Hawking

    LaurieAG, Mar 14, 2018
    Replies:
    1
    Views:
    177
    hansda
    Mar 14, 2018
  11. RainbowSingularity

    Scientists find less "dark matter" NHK news item

    RainbowSingularity, Mar 1, 2018 ... 2
    Replies:
    24
    Views:
    654
    NotEinstein
    Mar 12, 2018
  12. nebel

    Humans already primed for space?

    nebel, Mar 11, 2018
    Replies:
    2
    Views:
    158
    nebel
    Mar 11, 2018
  13. sculptor

    star s2 orbiting black hole?

    sculptor, Mar 11, 2018
    Replies:
    0
    Views:
    133
    sculptor
    Mar 11, 2018
  14. Seattle

    How long do you think humans will be around?

    Seattle, Dec 16, 2017 ... 2 3 4
    Replies:
    69
    Views:
    2,493
    Musika
    Mar 11, 2018
  15. nebel

    Orbital geometry: a Titius/Bode + Lagrange connection?

    nebel, Feb 16, 2018
    Replies:
    7
    Views:
    297
    nebel
    Mar 6, 2018
  16. Xelasnave.1947

    Astro photography.

    Xelasnave.1947, Jan 9, 2018
    Replies:
    10
    Views:
    451
    socratus
    Mar 2, 2018
  17. Michael 345

    Private enterprise space station

    Michael 345, Feb 12, 2018
    Replies:
    14
    Views:
    382
    orcot
    Feb 16, 2018
  18. nebel

    Space X biggest launch ever

    nebel, Feb 7, 2018 ... 2
    Replies:
    27
    Views:
    788
    Michael 345
    Feb 10, 2018
  19. danshawen

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

    danshawen, May 30, 2017 ... 2 3 4
    Replies:
    65
    Views:
    2,885
    orcot
    Feb 3, 2018
  20. Zeno

    Short-period comets

    Zeno, Jan 21, 2018 ... 2
    Replies:
    28
    Views:
    747
    exchemist
    Jan 28, 2018
  21. Tiassa

    Fluorescent Dark Matter

    Tiassa, Jan 2, 2018
    Replies:
    3
    Views:
    394
    Tiassa
    Jan 23, 2018
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