# 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
Astro*Dictionary by Michael Erlewine

 

 

 

 

1 article for "Periastron"

Periastron [Astro*Index]

The point in the orbit of a binary star where it is closest to its companion star.

See also:
♦ Periapsis ♦ Apoapsis

 

Astro*Index Copyright © 1997 Michael Erlewine