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:
    10,159
    Tiassa
    Apr 22, 2016
  2. paddoboy

    Korolev Crater on Mars:

    paddoboy, Jul 5, 2020 at 3:09 AM
    Replies:
    4
    Views:
    117
    Michael 345
    Jul 6, 2020 at 1:25 AM
  3. river

    How did the Earth capture the Moon ?

    river, Apr 26, 2020 ... 6 7 8
    Replies:
    157
    Views:
    1,943
    billvon
    Jun 29, 2020
  4. paddoboy

    For The First Time Ever, Astronomers Detect Light From a Black Hole Collision

    paddoboy, Jun 28, 2020
    Replies:
    0
    Views:
    103
    paddoboy
    Jun 28, 2020
  5. paddoboy

    LIGO-Virgo Finds Mystery Object in "Mass Gap"

    paddoboy, Jun 28, 2020
    Replies:
    0
    Views:
    110
    paddoboy
    Jun 28, 2020
  6. paddoboy

    Tutorial: Shaping the Universe, Gravity and the four forces of nature;.

    paddoboy, May 31, 2020
    Replies:
    3
    Views:
    365
    paddoboy
    Jun 28, 2020
  7. Curious layman

    There's a black hole lurking within 1,000 light years of Earth – and you can see stars circling it w

    Curious layman, Jun 26, 2020
    Replies:
    1
    Views:
    202
    paddoboy
    Jun 26, 2020
  8. Xelasnave.1947

    Some photos

    Xelasnave.1947, Sep 23, 2019 ... 10 11 12
    Replies:
    229
    Views:
    7,409
    Xelasnave.1947
    Jun 25, 2020
  9. Saint

    Why does the universe exist?

    Saint, Jun 4, 2020 ... 2 3
    Replies:
    41
    Views:
    1,196
    C C
    Jun 24, 2020
  10. paddoboy

    A cosmic baby is discovered, and it's brilliant!

    paddoboy, Jun 17, 2020
    Replies:
    0
    Views:
    196
    paddoboy
    Jun 17, 2020
  11. paddoboy

    Regular Rhythm of Radio Waves, with Origins Unknown: n

    paddoboy, Jun 17, 2020
    Replies:
    1
    Views:
    169
    paddoboy
    Jun 17, 2020
  12. paddoboy

    Earth Like Extra Solar Planets and Life:

    paddoboy, Jun 17, 2020
    Replies:
    1
    Views:
    185
    paddoboy
    Jun 17, 2020
  13. paddoboy

    Incredible Video of Meteor streaking across West Australian Skys:

    paddoboy, Jun 16, 2020
    Replies:
    6
    Views:
    190
    paddoboy
    Jun 16, 2020
  14. paddoboy

    Closing in on 12-billion-year-old signal:

    paddoboy, Jun 12, 2020
    Replies:
    0
    Views:
    226
    paddoboy
    Jun 12, 2020
  15. paddoboy

    General Relativistic Magnetohydrodynamic Simulations of Sag-A

    paddoboy, Jun 12, 2020
    Replies:
    0
    Views:
    211
    paddoboy
    Jun 12, 2020
  16. TonyYuan

    Why Mercury's precession is not as big as Earth? (5.75" < 11.45")

    TonyYuan, Apr 7, 2020 ... 2 3 4
    Replies:
    62
    Views:
    2,691
    exchemist
    Jun 11, 2020
  17. paddoboy

    Astrochemistry, Prebiotic Molecules, Origin of Life:

    paddoboy, Jun 8, 2020
    Replies:
    3
    Views:
    256
    paddoboy
    Jun 8, 2020
  18. paddoboy

    SMBH's and Sagittarius A:

    paddoboy, Jun 8, 2020
    Replies:
    2
    Views:
    255
    paddoboy
    Jun 8, 2020
  19. paddoboy

    DESI [Dark Energy Spectroscopic Instrument]

    paddoboy, Jun 7, 2020
    Replies:
    1
    Views:
    253
    paddoboy
    Jun 7, 2020
  20. paddoboy

    A New Test Confirms Dark Energy and the Expansion of the Universe

    paddoboy, Jun 6, 2020
    Replies:
    0
    Views:
    262
    paddoboy
    Jun 6, 2020
  21. paddoboy

    Europa:

    paddoboy, Jun 4, 2020
    Replies:
    1
    Views:
    77
    Xelasnave.1947
    Jun 6, 2020
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