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:
    7,844
    Tiassa
    Apr 22, 2016
  2. Xelasnave.1947

    Narrow Band Imaging

    Xelasnave.1947, Aug 25, 2018 ... 2 3
    Replies:
    49
    Views:
    756
    Write4U
    Dec 11, 2018 at 10:45 AM
  3. exchemist
    Locked

    Dark Matter and Energy - an Explanation?....

    exchemist, Dec 5, 2018 at 3:53 PM ... 2
    Replies:
    24
    Views:
    462
    James R
    Dec 10, 2018 at 1:09 AM
  4. sculptor

    mars landing

    sculptor, Nov 26, 2018
    Replies:
    2
    Views:
    118
    Gawdzilla Sama
    Nov 27, 2018
  5. nebel

    Where is most "gravity", inside or out?

    nebel, Feb 29, 2016 ... 11 12 13
    Replies:
    254
    Views:
    10,188
    nebel
    Nov 23, 2018
  6. nebel

    Question on Gravity at the equator. more or less?

    nebel, Oct 13, 2018 ... 3 4 5
    Replies:
    92
    Views:
    1,628
    nebel
    Nov 21, 2018
  7. nebel

    1 I/2017 UI Oumuamua

    nebel, Nov 26, 2017 ... 2 3
    Replies:
    57
    Views:
    3,072
    Gawdzilla Sama
    Nov 21, 2018
  8. nebel

    Dark Matter Halos must be revolving, rotating.

    nebel, Oct 26, 2018
    Replies:
    15
    Views:
    304
    nebel
    Oct 30, 2018
  9. nebel

    exobiology: floating exo life ?

    nebel, Oct 22, 2018
    Replies:
    6
    Views:
    215
    nebel
    Oct 24, 2018
  10. sculptor

    Sky rivers

    sculptor, Oct 8, 2018
    Replies:
    0
    Views:
    203
    sculptor
    Oct 8, 2018
  11. Xmo1

    Telescope Vanes

    Xmo1, Jul 21, 2018 ... 2
    Replies:
    21
    Views:
    695
    Xelasnave.1947
    Sep 8, 2018
  12. Xmo1

    If the whole world population suddenly knew

    Xmo1, Jul 12, 2018 ... 2
    Replies:
    25
    Views:
    822
    Bowser
    Aug 27, 2018
  13. Gawdzilla Sama

    Atmospheric density development during terraforming.

    Gawdzilla Sama, Aug 20, 2018
    Replies:
    5
    Views:
    261
    RADII
    Aug 25, 2018
  14. Xmo1

    Black Holes coming this way.

    Xmo1, Jun 23, 2018 ... 2
    Replies:
    22
    Views:
    667
    Xmo1
    Aug 10, 2018
  15. Goldtop

    What's Space?

    Goldtop, Aug 3, 2018 ... 2 3 4
    Replies:
    62
    Views:
    1,404
    Seattle
    Aug 8, 2018
  16. Hayden

    Isotropic Universe

    Hayden, Jul 24, 2018 ... 2
    Replies:
    26
    Views:
    774
    NotEinstein
    Aug 1, 2018
  17. sculptor

    Young star eats it's infant planet:

    sculptor, Jul 29, 2018
    Replies:
    2
    Views:
    243
    Q-reeus
    Jul 30, 2018
  18. Gawdzilla Sama

    Sunlight per square, Mars v. Earth

    Gawdzilla Sama, Jul 26, 2018
    Replies:
    19
    Views:
    422
    Gawdzilla Sama
    Jul 28, 2018
  19. Hayden

    Age of the Universe

    Hayden, Jul 19, 2018 ... 2 3 4
    Replies:
    79
    Views:
    1,505
    origin
    Jul 26, 2018
  20. Hayden

    Source of Power (for motion)

    Hayden, Jul 24, 2018 ... 2
    Replies:
    36
    Views:
    757
    James R
    Jul 26, 2018
  21. Bowser

    What am I looking at?

    Bowser, Jul 12, 2018 ... 2
    Replies:
    26
    Views:
    686
    Xelasnave.1947
    Jul 22, 2018
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