 |
|
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
|
|
apastron
The point in any orbit around a star that is furthest from the star. It usually refers to a companion's orbit about the primary in a binary star system. The converse of periastron.
Related category
• CELESTIAL MECHANICS
Also on this site:
Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History
Transport Concepts & Designs (partner site)