Astronomy, Exobiology, & Cosmology

amateur astronomy, astrophysics, exoscience

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  1. arfa brane

    New observations from JWST

    arfa brane, Mar 9, 2023
    Replies:
    2
    Views:
    1,146
    Janus58
    Jul 14, 2023
  2. sculptor

    black holes source of dark energy?

    sculptor, Feb 17, 2023
    Replies:
    13
    Views:
    1,281
    Contemplation
    Mar 5, 2023
  3. sculptor

    the great attractor

    sculptor, Feb 16, 2023 ... 2
    Replies:
    23
    Views:
    2,180
    DaveC426913
    Feb 21, 2023
  4. ThazzarBaal

    Copernican Heresy

    ThazzarBaal, Feb 8, 2023 ... 2 3 4
    Replies:
    61
    Views:
    4,178
    exchemist
    Feb 18, 2023
  5. JEL

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

    JEL, Feb 7, 2023 ... 2 3
    Replies:
    51
    Views:
    3,479
    James R
    Feb 16, 2023
  6. wegs

    How is there wind on Mars?

    wegs, Nov 29, 2022 ... 2
    Replies:
    21
    Views:
    3,473
    billvon
    Dec 2, 2022
  7. Michael 345

    Our Solar system had a planet called George

    Michael 345, Nov 21, 2022
    Replies:
    2
    Views:
    1,604
    Michael 345
    Nov 21, 2022
  8. wegs

    SpaceX launch

    wegs, Sep 25, 2022
    Replies:
    2
    Views:
    1,911
    wegs
    Sep 26, 2022
  9. trevor borocz johnson

    How to improve the parallax for stars

    trevor borocz johnson, Sep 19, 2022
    Replies:
    5
    Views:
    1,941
    Sarkus
    Sep 23, 2022
  10. Michael 345

    DART

    Michael 345, Sep 13, 2022 ... 2
    Replies:
    26
    Views:
    2,670
    DaveC426913
    Sep 28, 2022
  11. Write4U

    Going to the moon to stay!

    Write4U, Sep 2, 2022
    Replies:
    6
    Views:
    2,007
    Yazata
    Sep 10, 2022
  12. Seattle

    What do you enjoy viewing in the night sky?

    Seattle, Jul 23, 2022 ... 2
    Replies:
    39
    Views:
    5,895
    ThazzarBaal
    Aug 1, 2023
  13. wegs

    Light years?

    wegs, Jul 16, 2022 ... 5 6 7
    Replies:
    136
    Views:
    11,312
    Seattle
    Jul 24, 2022
  14. Saint

    Can we go to the Mars and come back safely?

    Saint, Jul 10, 2022
    Replies:
    11
    Views:
    2,275
    Saint
    Jul 12, 2022
  15. Tiassa

    Fast Radio Burst: FRB 190520 Remains Mysterious

    Tiassa, Jul 8, 2022
    Replies:
    0
    Views:
    1,900
    Tiassa
    Jul 8, 2022
  16. Michael 345

    Bone density in space

    Michael 345, Jul 1, 2022
    Replies:
    10
    Views:
    2,149
    Dicart
    Jul 8, 2022
  17. Saint

    Why distant star's light can reach us?

    Saint, Jun 24, 2022 ... 2
    Replies:
    28
    Views:
    5,155
    Beaconator
    Sep 10, 2022
  18. icarus2

    The source of dark energy is total gravitational potential energy!

    icarus2, Mar 26, 2022
    Replies:
    13
    Views:
    2,774
    icarus2
    Apr 24, 2022
  19. sculptor

    equinox

    sculptor, Mar 22, 2022
    Replies:
    1
    Views:
    353
    Jeeves
    Mar 23, 2022
  20. Pine_net

    NASA is just now opening a vacuum-sealed sample it took from the moon 50 years ago

    Pine_net, Mar 10, 2022
    Replies:
    0
    Views:
    2,014
    Pine_net
    Mar 10, 2022
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