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  • Source: November 1957 lunar eclipse

    • A total lunar eclipse occurred at the Moon’s descending node of orbit on Thursday, November 7, 1957, with an umbral magnitude of 1.0305. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A total lunar eclipse occurs when the Moon's near side entirely passes into the Earth's umbral shadow. Unlike a solar eclipse, which can only be viewed from a relatively small area of the world, a lunar eclipse may be viewed from anywhere on the night side of Earth. A total lunar eclipse can last up to nearly two hours, while a total solar eclipse lasts only a few minutes at any given place, because the Moon's shadow is smaller. Occurring about 5.1 days after apogee (on November 2, 1957, at 11:30 UTC), the Moon's apparent diameter was smaller.
    This lunar eclipse was the last of an almost tetrad, with the others being on May 24, 1956 (partial); November 18, 1956 (total); and May 13, 1957 (total).


    Visibility


    The eclipse was completely visible over the eastern half of Asia, Australia, and Alaska, seen rising over the western half of Asia, Europe, and much of central and east Africa and setting over much of North America.


    Eclipse details


    Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.


    Eclipse season



    This eclipse is part of an eclipse season, a period, roughly every six months, when eclipses occur. Only two (or occasionally three) eclipse seasons occur each year, and each season lasts about 35 days and repeats just short of six months (173 days) later; thus two full eclipse seasons always occur each year. Either two or three eclipses happen each eclipse season. In the sequence below, each eclipse is separated by a fortnight.


    Related eclipses




    = Eclipses in 1957

    =
    An annular solar eclipse on April 30.
    A total lunar eclipse on May 13.
    A total solar eclipse on October 23.
    A total lunar eclipse on November 7.


    = Metonic

    =
    Preceded by: Lunar eclipse of January 19, 1954
    Followed by: Lunar eclipse of August 26, 1961


    = Tzolkinex

    =
    Preceded by: Lunar eclipse of September 26, 1950
    Followed by: Lunar eclipse of December 19, 1964


    = Half-Saros

    =
    Preceded by: Solar eclipse of November 1, 1948
    Followed by: Solar eclipse of November 12, 1966


    = Tritos

    =
    Preceded by: Lunar eclipse of December 8, 1946
    Followed by: Lunar eclipse of October 6, 1968


    = Lunar Saros 135

    =
    Preceded by: Lunar eclipse of October 28, 1939
    Followed by: Lunar eclipse of November 18, 1975


    = Inex

    =
    Preceded by: Lunar eclipse of November 27, 1928
    Followed by: Lunar eclipse of October 17, 1986


    = Triad

    =
    Preceded by: Lunar eclipse of January 6, 1871
    Followed by: Lunar eclipse of September 7, 2044


    = Lunar eclipses of 1955–1958

    =


    = Half-Saros cycle

    =
    A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros). This lunar eclipse is related to two total solar eclipses of Solar Saros 142.


    See also


    List of lunar eclipses
    List of 20th-century lunar eclipses


    References




    External links


    1957 Nov 07 chart Eclipse Predictions by Fred Espenak, NASA/GSFC

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