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Apastron vs Periastron - What's the difference?

apastron | periastron | Antonyms |

Periastron is a antonym of apastron.



In astronomy terms the difference between apastron and periastron

is that apastron is the point of greatest separation between two stars, especially in a binary star situation while periastron is that point of the orbit of a celestial body which is closest to the star around which the body is orbiting.

apastron

English

Noun

(en noun)
  • (astronomy) The point of greatest separation between two stars, especially in a binary star situation.
  • Antonyms

    * periastron

    References

    periastron

    English

    Noun

    (en noun)
  • (astronomy) That point of the orbit of a celestial body which is closest to the star around which the body is orbiting.
  • Antonyms

    * apastron

    Anagrams

    *