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occultation

/ok-uhl-tey-shuhn/US // ˌɒk ʌlˈteɪ ʃən //UK // (ˌɒkʌlˈteɪʃən) //

掩星,掩蔽,隐没,掩星术

Related Words

Definitions

n.名词 noun
  1. 1
    • : Astronomy. the passage of one celestial body in front of another, thus hiding the other from view: applied especially to the moon's coming between an observer and a star or planet.
    • : disappearance from view or notice.
    • : the act of blocking or hiding from view.
    • : the resulting hidden or concealed state.

Synonyms & Antonyms

Examples

  • The answer: by watching the asteroid directly pass in front of a star, which is called occultation.

  • An occultation of a planet is obviously still more interesting than that of a star.

  • In any case, no displacement of a star by atmospheric refraction at occultation has been surely recorded.

  • Its geographical position is pretty accurately laid down from occultation and other observations.

  • This is the first occultation of a star or planet by the Moon observed and recorded in England.

  • They had already proceeded together to the Cape of Good Hope on two occasions to study an eclipse and an occultation.