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David Levy

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Topics posted by David Levy

  1. Solar Neighborhood Enigma

    David Levy · in Astronomy and Cosmology
    • 37 replies
    • 4288 views
    swansont

  2. Darwin approach for Universe Enigma

    David Levy · in Speculations
    • 8 replies
    • 1747 views
    hypervalent_iodine

  3. Universe age

    David Levy · in Speculations
    • 39 replies
    • 5321 views
    swansont

  4. Earth - What is the real age?

    David Levy · in Speculations
    • 222 replies
    • 27767 views
    Phi for All

  5. Dark matter and Shell Theorem by Isaac Newton

    David Levy · in Astronomy and Cosmology
    • 72 replies
    • 12359 views
    Strange

  6. Basic Concepts of modern science

    David Levy · in Astronomy and Cosmology
    • 60 replies
    • 10601 views
    pantheory

  7. Milky way galaxy mass vs. black hole mass

    David Levy · in Astronomy and Cosmology
    • 65 replies
    • 9122 views
    Strange

  8. Dark Energy – the most mysterious matter in the Universe

    David Levy · in Speculations
    • 68 replies
    • 8471 views
    swansont

  9. Newton Gravity for spiral galaxy

    David Levy · in Speculations
    • 102 replies
    • 13274 views
    swansont

  10. Spiral Galaxy –How it had been formed?

    David Levy · in Speculations
    • 45 replies
    • 5330 views
    ACG52

  11. What is a feasible way for the nature to generate an Atom?

    David Levy · in Speculations
    • 7 replies
    • 1902 views
    ogr8bearded1

  12. Mass Creation, Spiral Galaxies, the Big Bang

    David Levy · in Speculations
    • 27 replies
    • 3393 views
    swansont

  13. Thread Hijack - How are super-massive stars formed?

    David Levy · in Trash Can
    • 2 replies
    • 1355 views
    hypervalent_iodine

  14. Update stady state Theory

    David Levy · in Speculations
    • 44 replies
    • 6392 views
    Spyman

  15. Liquid water on Mars

    David Levy · in Astronomy and Cosmology
    • 78 replies
    • 12827 views
    Airbrush

  16. NASA Finds water on the Moon

    David Levy · in Astronomy and Cosmology
    • 6 replies
    • 1690 views
    Airbrush

  17. Star magnetic field

    David Levy · in Astronomy and Cosmology
    • 9 replies
    • 2294 views
    John Cuthber

  18. Steady state theory

    David Levy · in Speculations
    • 116 replies
    • 18752 views
    imatfaal

  19. Big Bang

    David Levy · in Astronomy and Cosmology
    • 53 replies
    • 12184 views
    ACG52

  20. Big Bang

    David Levy · in Astronomy and Cosmology
    • 7 replies
    • 2738 views
    Severian

  21. Dark Matter

    David Levy · in Speculations
    • 31 replies
    • 4486 views
    warped space

  22. Dark Matter

    David Levy · in Astronomy and Cosmology
    • 2 replies
    • 1277 views
    Spyman

  23. Dinosaurs

    David Levy · in Evolution, Morphology and Exobiology
    • 10 replies
    • 3075 views
    Nathan Flinn

  24. Solar system - birth

    David Levy · in Astronomy and Cosmology
    • 10 replies
    • 2044 views
    Airbrush

  25. Star movment direction in an active galaxy

    David Levy · in Astronomy and Cosmology
    • 16 replies
    • 2124 views
    ACG52

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