Credit: ©The Royal Society
    Image number: RS.15580

    A spot on Mars

    Date
    4 November 1676
    Creator
    Jean Dominique Cassini (1625 - 1712, Italian) , Astronomer, Astronomer
    Object type
    Archive reference number
    Manuscript page number
    p2
    Material
    Dimensions
    height (page): 225mm
    width (page): 170mm
    Subject
    Content object
    space
       > Solar system
          > planet
             > Mars
    Description
    A spot on Mars observed by Jean Dominique Cassini on the morning of 4 November 1676, described in his letter of the same date from Paris to Henry Oldenburg.

    There is a copy at LBO/28/351.
    Related fellows
    Jean Dominique Cassini (1625 - 1712, Italian) , Astronomer, Astronomer
    Henry Oldenburg (1612 - 1677, German) , Scientific correspondent
    Associated place
    <The World>
       > Europe
          > France
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