Tropic of ....

Discussion in 'Linguistics' started by mathman, Dec 2, 2019.

  1. mathman Valued Senior Member

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    The latitude limits of the tropical zone are called tropic of Cancer and tropic of Capricorn. Where did these names come from?
     
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  3. Janus58 Valued Senior Member

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    When the names were assigned, The Sun was in Cancer during the Summer solstice, and in Capricorn during the Winter solstice. The sun reaches the Zenith on the Summer solstice at the Tropic of Cancer, and reaches the Zenith on the Wintersolstice at the Tropic of Capricorn.
     
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  5. DaveC426913 Valued Senior Member

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    Uh huh. And when, pray tell, was the Sun in Sir Galahad?

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  7. mathman Valued Senior Member

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    Who assigned the names?
     
  8. Janus58 Valued Senior Member

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    The designations goes back some 2000 yrs. ( that's when the sun was last located in Cancer during the Summer Solstice.)
    Here's a map drawn by Ptolemy that shows the tropic of Cancer. Whether Ptolemy of someone else coined the name, I don't know.
     
  9. mathman Valued Senior Member

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    Map link seems to be missing.
     
  10. Janus58 Valued Senior Member

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    Sorry, here it is:

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