Astrophysics (index)

Optical Double

(two stars that look like one with naked eye)

An Optical Double is two stars that look like one when viewed without a telescope, but can be distinguished with a telescope of sufficient magnification. They may be a binary or they may be simply on the same line of vision.


(star type,optical)
http://en.wikipedia.org/wiki/Optical_double

Referenced by:
Blended Spectra

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