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:
    8,509
    Tiassa
    Apr 22, 2016
  2. spidergoat

    Did I see a meteor?

    spidergoat, Jun 25, 2019 at 5:28 AM
    Replies:
    1
    Views:
    24
    Seattle
    Jun 25, 2019 at 7:46 AM
  3. Michael 345

    What else is up there?

    Michael 345, Jun 14, 2019
    Replies:
    13
    Views:
    204
    Jeeves
    Jun 24, 2019 at 6:30 PM
  4. Saint

    How did scientists measure the size of the universe?

    Saint, Jun 9, 2019
    Replies:
    5
    Views:
    136
    James R
    Jun 11, 2019
  5. Asexperia

    What was there before the big bang?

    Asexperia, May 19, 2019 ... 2
    Replies:
    37
    Views:
    654
    paddoboy
    Jun 10, 2019
  6. Cris

    Conformal Cyclic Cosmology (CCC) Revisited

    Cris, Apr 22, 2019
    Replies:
    4
    Views:
    233
    paddoboy
    Jun 9, 2019
  7. icarus2

    Black hole doesn't have singularity.

    icarus2, Oct 2, 2016
    Replies:
    12
    Views:
    1,366
    origin
    May 8, 2019
  8. RJBeery

    Event Horizons in General Relativity

    RJBeery, Apr 17, 2019 ... 3 4 5
    Replies:
    92
    Views:
    1,762
    RJBeery
    Apr 26, 2019
  9. sweetpea

    EHT First image of Black Hole

    sweetpea, Apr 10, 2019
    Replies:
    8
    Views:
    378
    sweetpea
    Apr 11, 2019
  10. paddoboy

    “Exploration is really the essence of the human spirit.” —Frank Borman

    paddoboy, Dec 18, 2018
    Replies:
    8
    Views:
    709
    Write4U
    Apr 6, 2019
  11. Gawdzilla Sama

    Do planets have to rotate?

    Gawdzilla Sama, Mar 27, 2019
    Replies:
    12
    Views:
    420
    James R
    Mar 28, 2019
  12. Yazata

    NASA/SpaceX Demo-1 Mission in 12 Hours

    Yazata, Mar 1, 2019
    Replies:
    2
    Views:
    461
    Yazata
    Mar 3, 2019
  13. Xelasnave.1947

    Narrow Band Imaging

    Xelasnave.1947, Aug 25, 2018 ... 2 3 4
    Replies:
    70
    Views:
    3,053
    Write4U
    Feb 24, 2019
  14. Yazata

    Kuiper Belt Object Ultima Thule is... Squashed?

    Yazata, Feb 9, 2019
    Replies:
    1
    Views:
    413
    globali
    Feb 9, 2019
  15. globali

    is life really generating order or is it just our false narrative perspective?

    globali, Jan 27, 2019 ... 8 9 10
    Replies:
    195
    Views:
    2,884
    RainbowSingularity
    Feb 5, 2019
  16. nebel

    Dark Matter Halos must be revolving, rotating.

    nebel, Oct 26, 2018 ... 2
    Replies:
    30
    Views:
    1,617
    Beaconator
    Feb 3, 2019
  17. exchemist

    Saturn's Rings are Younger Than Archaeopteryx

    exchemist, Jan 18, 2019 ... 2
    Replies:
    27
    Views:
    1,198
    Seattle
    Jan 26, 2019
  18. cluelusshusbund

    The Super Blood Wolf Moon of 2019

    cluelusshusbund, Jan 22, 2019
    Replies:
    12
    Views:
    537
    Seattle
    Jan 24, 2019
  19. Yazata

    Small Bolide (?) over California

    Yazata, Dec 20, 2018
    Replies:
    2
    Views:
    605
    Gawdzilla Sama
    Dec 20, 2018
  20. Xelasnave.1947

    Geocentric Earth

    Xelasnave.1947, Dec 20, 2018
    Replies:
    0
    Views:
    531
    Xelasnave.1947
    Dec 20, 2018
  21. exchemist
    Locked

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

    exchemist, Dec 5, 2018 ... 2
    Replies:
    24
    Views:
    1,578
    James R
    Dec 10, 2018
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