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apastron
[ uh-pas-truhn, -tron ]
noun
, Astronomy.
, plural ap·as·tra [uh, -, pas, -tr, uh].
- the point at which the stars of a binary system are farthest apart ( periastron ).
apastron
/ ə-păs′trən /
- The point at which an object, such as a planet or comet, is farthest from the center of mass of the star it is orbiting.
- Compare periastron
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Example Sentences
They wouldn't live to be crushed by disappointment when the Sky Fire receded as Beta went into the long swing toward apastron.
From Project Gutenberg
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