Meaning Of The Word Periastron

Real Dictionary

What's the definition of Periastron? Find Periastron meanings, definitions and more at the Real Dictionary online.

Periastron Meaning

Periastron Definition
Periastron Definition

What's The Definition Of Periastron?

periastron in American English
noun: the point at which the stars of a binary system are closest (opposed to apastron)

periastron in British English
noun: the point in the orbit of a body around a star when it is nearest to the star, esp applied to double-star systems

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