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:
    9,555
    Tiassa
    Apr 22, 2016
  2. Xelasnave.1947

    Some photos

    Xelasnave.1947, Sep 23, 2019 ... 4 5 6
    Replies:
    105
    Views:
    3,376
    Xelasnave.1947
    Feb 28, 2020 at 9:45 PM
  3. paddoboy

    Why is there any matter in the universe at all? New study sheds light

    paddoboy, Feb 28, 2020 at 8:32 PM
    Replies:
    1
    Views:
    4
    mathman
    Feb 28, 2020 at 9:35 PM
  4. Saint

    VY Canis Majoris the biggest Star

    Saint, Feb 22, 2020 at 4:23 AM ... 2
    Replies:
    23
    Views:
    338
    Janus58
    Feb 27, 2020 at 5:14 AM
  5. wegs

    Twelve reasons we haven't found aliens

    wegs, Feb 5, 2020 ... 3 4 5
    Replies:
    83
    Views:
    1,363
    exchemist
    Feb 21, 2020
  6. wegs

    Astronomers sweep the entire sky, looking for aliens

    wegs, Feb 18, 2020
    Replies:
    6
    Views:
    172
    James R
    Feb 20, 2020
  7. Saint

    Inside Black hole

    Saint, Feb 12, 2020 ... 2
    Replies:
    22
    Views:
    497
    paddoboy
    Feb 17, 2020
  8. dumbest man on earth

    Solar System Map

    dumbest man on earth, Feb 13, 2020
    Replies:
    1
    Views:
    93
    sculptor
    Feb 13, 2020
  9. wegs

    Mysterious radio signal from space is repeating every 16 days

    wegs, Feb 12, 2020
    Replies:
    1
    Views:
    89
    paddoboy
    Feb 12, 2020
  10. Saint

    How could ancient people know astronomy & astrology?

    Saint, Feb 5, 2020
    Replies:
    16
    Views:
    349
    Janus58
    Feb 9, 2020
  11. foghorn

    Possible bolide caught on a doorbell camera.

    foghorn, Feb 4, 2020
    Replies:
    2
    Views:
    164
    billvon
    Feb 5, 2020
  12. wegs

    What causes black holes and stars to spin?

    wegs, Jan 24, 2020
    Replies:
    10
    Views:
    293
    paddoboy
    Jan 29, 2020
  13. paddoboy

    New insights about the brightest explosions in the Universe

    paddoboy, Jan 23, 2020
    Replies:
    0
    Views:
    151
    paddoboy
    Jan 23, 2020
  14. paddoboy

    Gravitational Wave Echos May Support Hawking Radiation:

    paddoboy, Jan 22, 2020
    Replies:
    0
    Views:
    128
    paddoboy
    Jan 22, 2020
  15. paddoboy

    Black Holes and Dwarf Galaxies:

    paddoboy, Jan 21, 2020
    Replies:
    2
    Views:
    166
    paddoboy
    Jan 22, 2020
  16. paddoboy

    Mars' water:

    paddoboy, Jan 21, 2020
    Replies:
    0
    Views:
    167
    paddoboy
    Jan 21, 2020
  17. paddoboy

    'cosmic echolocation'

    paddoboy, Jan 21, 2020
    Replies:
    0
    Views:
    149
    paddoboy
    Jan 21, 2020
  18. paddoboy

    An Unsung Hero:

    paddoboy, Jan 21, 2020
    Replies:
    2
    Views:
    158
    paddoboy
    Jan 21, 2020
  19. paddoboy

    January 6, 2020: LIGO-Virgo Network Catches Another Neutron Star Collision

    paddoboy, Jan 21, 2020
    Replies:
    1
    Views:
    144
    paddoboy
    Jan 21, 2020
  20. paddoboy

    First results from the Dark Energy Survey

    paddoboy, Jan 20, 2020
    Replies:
    0
    Views:
    151
    paddoboy
    Jan 20, 2020
  21. paddoboy

    Pressure runs high at edge of solar system:

    paddoboy, Oct 9, 2019
    Replies:
    7
    Views:
    602
    exchemist
    Jan 19, 2020
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