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2 Matching Annotations
  1. Oct 2023
  2. en.wikipedia.org en.wikipedia.org
    Milankovitch cycles - Wikipedia
    1
    1. chrisaldrich 09 Oct 2023
      in Public

      https://en.wikipedia.org/wiki/Milankovitch_cycles

      Milankovitch cycles Dan Allosso Book Club 2023-10-07 climate change geophysics Milutin Milanković elliptical orbits orbital eccentricity
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    • Dan Allosso Book Club 2023-10-07
    • geophysics
    • Milankovitch cycles
    • elliptical orbits
    • Milutin Milanković
    • orbital eccentricity
    • climate change

    Annotators

    • chrisaldrich

    URL

    en.wikipedia.org/wiki/Milankovitch_cycles
  3. Feb 2022
  4. www.scientificamerican.com www.scientificamerican.com
    An Ancient Greek Astronomical Calculation Machine Reveals New Secrets
    1
    1. chrisaldrich 13 Feb 2022
      in Public
      the moon has variable motion because it has an elliptical orbit: when it is farther from Earth, it moves more slowly against the stars; when it is closer, it moves more quickly. The moon’s orbit, however, is not fixed in space: the whole orbit rotates in a period of just under nine years.
      moon astronomy elliptical orbits Antikythera mechanism
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    Tags

    • astronomy
    • moon
    • Antikythera mechanism
    • elliptical orbits

    Annotators

    • chrisaldrich

    URL

    scientificamerican.com/article/an-ancient-greek-astronomical-calculation-machine-reveals-new-secrets/
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