Periastron synonyms, Periastron antonyms - FreeThesaurus.com
apsis (redirected from Periastron)
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Related to Periastron: periapsis
Synonyms for apsis
a domed or vaulted recess or projection on a building especially the east end of a church
References in periodicals archive
During the past 11 years, spanning three periastron
passages, the Goddard group has developed a model based on routine observations of the stars using ground-based telescopes and multiple NASA satellites.
This effect is even more sensitive to the orbital parameters than the periastron
In July of 2011, the highly-eccentric Be star system Delta Scorpius was predicted to have an interaction between its companion star and its circumstellar disk during its periastron
passage which takes place every eleven years.
The paper includes four other bright southern systems including Beta Phoenicis which has now apparently passed unobserved through periastron
In planets the latter motion is called precession of perihelion; in stars it is either precession of periastron
or precession of apsides.