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:
    8,285
    Tiassa
    Apr 22, 2016
  2. RJBeery

    Event Horizons in General Relativity

    RJBeery, Apr 17, 2019 ... 2 3 4
    Replies:
    62
    Views:
    594
    Seattle
    Apr 23, 2019 at 11:34 PM
  3. Cris

    Conformal Cyclic Cosmology (CCC) Revisited

    Cris, Apr 22, 2019 at 4:59 AM
    Replies:
    1
    Views:
    53
    origin
    Apr 22, 2019 at 12:31 PM
  4. icarus2

    Black hole doesn't have singularity.

    icarus2, Oct 2, 2016
    Replies:
    10
    Views:
    1,031
    NotEinstein
    Apr 17, 2019
  5. sweetpea

    EHT First image of Black Hole

    sweetpea, Apr 10, 2019
    Replies:
    8
    Views:
    200
    sweetpea
    Apr 11, 2019
  6. paddoboy

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

    paddoboy, Dec 18, 2018
    Replies:
    8
    Views:
    500
    Write4U
    Apr 6, 2019
  7. Gawdzilla Sama

    Do planets have to rotate?

    Gawdzilla Sama, Mar 27, 2019
    Replies:
    12
    Views:
    264
    James R
    Mar 28, 2019
  8. Yazata

    NASA/SpaceX Demo-1 Mission in 12 Hours

    Yazata, Mar 1, 2019
    Replies:
    2
    Views:
    297
    Yazata
    Mar 3, 2019
  9. Xelasnave.1947

    Narrow Band Imaging

    Xelasnave.1947, Aug 25, 2018 ... 2 3 4
    Replies:
    70
    Views:
    2,439
    Write4U
    Feb 24, 2019
  10. Yazata

    Kuiper Belt Object Ultima Thule is... Squashed?

    Yazata, Feb 9, 2019
    Replies:
    1
    Views:
    277
    globali
    Feb 9, 2019
  11. globali

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

    globali, Jan 27, 2019 ... 8 9 10
    Replies:
    195
    Views:
    2,375
    RainbowSingularity
    Feb 5, 2019
  12. nebel

    Dark Matter Halos must be revolving, rotating.

    nebel, Oct 26, 2018 ... 2
    Replies:
    30
    Views:
    1,294
    Beaconator
    Feb 3, 2019
  13. exchemist

    Saturn's Rings are Younger Than Archaeopteryx

    exchemist, Jan 18, 2019 ... 2
    Replies:
    27
    Views:
    922
    Seattle
    Jan 26, 2019
  14. cluelusshusbund

    The Super Blood Wolf Moon of 2019

    cluelusshusbund, Jan 22, 2019
    Replies:
    12
    Views:
    401
    Seattle
    Jan 24, 2019
  15. Yazata

    Small Bolide (?) over California

    Yazata, Dec 20, 2018
    Replies:
    2
    Views:
    479
    Gawdzilla Sama
    Dec 20, 2018
  16. Xelasnave.1947

    Geocentric Earth

    Xelasnave.1947, Dec 20, 2018
    Replies:
    0
    Views:
    363
    Xelasnave.1947
    Dec 20, 2018
  17. exchemist
    Locked

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

    exchemist, Dec 5, 2018 ... 2
    Replies:
    24
    Views:
    1,292
    James R
    Dec 10, 2018
  18. sculptor

    mars landing

    sculptor, Nov 26, 2018
    Replies:
    2
    Views:
    455
    Gawdzilla Sama
    Nov 27, 2018
  19. nebel

    Question on Gravity at the equator. more or less?

    nebel, Oct 13, 2018 ... 3 4 5
    Replies:
    92
    Views:
    3,146
    nebel
    Nov 21, 2018
  20. nebel

    1 I/2017 UI Oumuamua

    nebel, Nov 26, 2017 ... 2 3
    Replies:
    57
    Views:
    4,213
    Gawdzilla Sama
    Nov 21, 2018
  21. nebel

    exobiology: floating exo life ?

    nebel, Oct 22, 2018
    Replies:
    6
    Views:
    546
    nebel
    Oct 24, 2018
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