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:
    6
    Views:
    15,276
    Tiassa
    Jun 3, 2021
  2. SarahEllard

    Geocentric Universe - does the ''Axis of Evil'' prove that Earth is the centre of the Universe?

    SarahEllard, May 8, 2023
    Replies:
    3
    Views:
    239
    Janus58
    May 8, 2023
  3. Seattle

    Was the Big Bang wrong?

    Seattle, May 2, 2023
    Replies:
    3
    Views:
    144
    C C
    May 2, 2023
  4. arfa brane

    Cosmology 101 pop question

    arfa brane, Mar 12, 2023
    Replies:
    17
    Views:
    728
    exchemist
    Apr 22, 2023
  5. sculptor

    solstice pole

    sculptor, Mar 20, 2023
    Replies:
    12
    Views:
    379
    DaveC426913
    Mar 21, 2023
  6. Ishika

    black hole's information

    Ishika, Mar 16, 2023
    Replies:
    3
    Views:
    327
    DaveC426913
    Mar 17, 2023
  7. arfa brane

    New observations from JWST

    arfa brane, Mar 9, 2023
    Replies:
    0
    Views:
    335
    arfa brane
    Mar 9, 2023
  8. sculptor

    black holes source of dark energy?

    sculptor, Feb 17, 2023
    Replies:
    13
    Views:
    786
    Contemplation
    Mar 5, 2023
  9. sculptor

    the great attractor

    sculptor, Feb 16, 2023 ... 2
    Replies:
    23
    Views:
    1,337
    DaveC426913
    Feb 21, 2023
  10. ThazzarBaal

    Copernican Heresy

    ThazzarBaal, Feb 8, 2023 ... 2 3 4
    Replies:
    61
    Views:
    2,859
    exchemist
    Feb 18, 2023
  11. JEL

    Is the gravitational center of the solar-system relative to planetary position?

    JEL, Feb 7, 2023 ... 2 3
    Replies:
    51
    Views:
    2,465
    James R
    Feb 16, 2023
  12. Seattle

    What do you enjoy viewing in the night sky?

    Seattle, Jul 23, 2022 ... 2
    Replies:
    27
    Views:
    4,215
    wegs
    Jan 3, 2023
  13. wegs

    How is there wind on Mars?

    wegs, Nov 29, 2022 ... 2
    Replies:
    21
    Views:
    2,926
    billvon
    Dec 2, 2022
  14. Michael 345

    Our Solar system had a planet called George

    Michael 345, Nov 21, 2022
    Replies:
    2
    Views:
    1,345
    Michael 345
    Nov 21, 2022
  15. geordief

    James Webb Space Telescope

    geordief, Dec 24, 2021 ... 4 5 6
    Replies:
    104
    Views:
    13,242
    Michael 345
    Oct 2, 2022
  16. Michael 345

    DART

    Michael 345, Sep 13, 2022 ... 2
    Replies:
    26
    Views:
    2,162
    DaveC426913
    Sep 28, 2022
  17. wegs

    SpaceX launch

    wegs, Sep 25, 2022
    Replies:
    2
    Views:
    1,715
    wegs
    Sep 26, 2022
  18. trevor borocz johnson

    How to improve the parallax for stars

    trevor borocz johnson, Sep 19, 2022
    Replies:
    5
    Views:
    1,785
    Sarkus
    Sep 23, 2022
  19. Saint

    Why distant star's light can reach us?

    Saint, Jun 24, 2022 ... 2
    Replies:
    28
    Views:
    4,664
    Beaconator
    Sep 10, 2022
  20. Write4U

    Going to the moon to stay!

    Write4U, Sep 2, 2022
    Replies:
    6
    Views:
    1,898
    Yazata
    Sep 10, 2022
  21. wegs

    Light years?

    wegs, Jul 16, 2022 ... 5 6 7
    Replies:
    136
    Views:
    10,118
    Seattle
    Jul 24, 2022
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