occultation

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

掩星,掩蔽,隐没,掩星术

Definitions

n.名词 noun

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.

as inconcealment

Synonyms

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.

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

掩星,掩蔽,隐没,掩星术

n.名词 noun

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.

as inconcealment

Synonyms

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.