Associations to the word «Periastron»

Wiktionary

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

Wise words

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats