Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The point at which an object is farthest away from the center of mass of the star it is orbiting.
from The Century Dictionary.
- noun In astronomy, that part in the orbit of a double star where it is furthest from its primary.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Astron.) That point in the orbit of a double star where the smaller star is farthest from its primary.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun astronomy The
point of greatestseparation between twostars , especially in abinary star situation.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[ap(o)– + Greek astron, star (probably on the model of aphelion); see ster- in Indo-European roots.]
from Wiktionary, Creative Commons Attribution/Share-Alike License
apo- + astron
Support
Help support Wordnik (and make this page ad-free) by adopting the word apastron.
Examples
Sorry, no example sentences found.
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.