Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A system of two stars bound together by gravity and orbiting a common center of mass, most often appearing as a single star when visible to the unaided eye.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun astronomy A stellar system that has
two stars orbiting around each other;double star .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a system of two stars that revolve around each other under their mutual gravitation
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