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    Wikipedia
    https://en.wikipedia.org/wiki/Lunar_eclipse

    Lunar eclipse - Wikipedia

    • A lunar eclipse is an astronomical event that occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. Such an alignment occurs during an eclipse season, approximately every six months, during the full moon phase, when the Moon's orbital plane is closest to the plane of the Earth's orbit. This can occur only when th… See more

    Types of lunar eclipse

    Earth's shadow can be divided into two distinctive parts: the umbra and penumbra. Earth totally occludes direct solar radiation within the umbra, the central region of the shadow. However, since the Sun's diameter appears to … See more

    Timing

    The timing of total lunar eclipses is determined by what are known as its "contacts" (moments of contact with Earth's shadow):
    • P1 (First contact): Beginning of the penumbral … See more

    Danjon scale

    The following scale (the Danjon scale) was devised by André Danjon for rating the overall darkness of lunar eclipses:
    • L = 0: Very dark eclipse. Moon almost invisible, especially at mid-totality.
    • L = 1: Dark eclips… See more

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    Table of Contents
    Types of lunar eclipse
    Timing
    Danjon scale
     
  2. NASA Eclipse Web Site
    https://eclipse.gsfc.nasa.gov/LEdecade/LEdecade2021.html

    NASA - Lunar Eclipses: 2021 - 2030 - NASA Eclipse Web Site

  3. Images of Lunar Eclipse

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    Digital Image – Total Lunar Eclipse of 1-21-2019 – Kissimmee Park ...
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    The phases of the lunar eclipse | Tony's Takes Photography
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    Total Lunar Eclipse | Facts, History, How Often, When Was The Last?
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    First total lunar eclipse in Wisconsin in more than three years
    telescope.com
    Full Lunar Eclipse | Astronomy Pictures at Orion Telescopes
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  4. Interesting reads - Lunar Eclipse

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  6. NASA Space Place
    https://spaceplace.nasa.gov/eclipses/en

    Lunar Eclipses and Solar Eclipses - NASA Space Place

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