Definition of apastron in English:

apastron

noun aˈpastr(ə)n

Astronomy

The point in the path of a celestial object orbiting a star at which it is farthest from the star.

Origin

Mid 19th century; earliest use found in William H. Smyth (1788–1865), naval officer and surveyor. From apo- + ancient Greek ἄστρον star, after aphelion.

Definition of apastron in US English:

apastron

nounaˈpastr(ə)n

Astronomy

The point in the path of a celestial object orbiting a star at which it is farthest from the star.

Origin

Mid 19th century; earliest use found in William H. Smyth (1788–1865), naval officer and surveyor. From apo- + ancient Greek ἄστρον star, after aphelion.

词汇	apastron
释义	Definition of apastron in English: apastron noun aˈpastr(ə)n Astronomy The point in the path of a celestial object orbiting a star at which it is farthest from the star. Origin Mid 19th century; earliest use found in William H. Smyth (1788–1865), naval officer and surveyor. From apo- + ancient Greek ἄστρον star, after aphelion. Definition of apastron in US English: apastron nounaˈpastr(ə)n Astronomy The point in the path of a celestial object orbiting a star at which it is farthest from the star. Origin Mid 19th century; earliest use found in William H. Smyth (1788–1865), naval officer and surveyor. From apo- + ancient Greek ἄστρον star, after aphelion.
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