# 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 "Extrinsic Variable"

Extrinsic Variable [Astro*Index]

Not a true variable star.

The apparent change in brightness is caused by an external source such as an orbiting body intervening, or interstellar matter drifting between us and them, or changes in aspect, as in the rotation of an ellipsoidal star.

See also: ♦ Variable Star ♦ Brightness


Astro*Index Copyright © 1997 Michael Erlewine