Astronomy & telescopes glossary - V

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Astronomy & Telescopes Glossary - V

Visual binary star - A binary star pair that are far enough apart to be visible as separate objects.

Visual limiting magnitude - The magnitude of the dimmest star that you can see overhead.

Visual magnitude - A measure of the brightness of an object as seen from Earth. The lower the number, the brighter the object. Negative numbers indicate extreme brightness.

Guide to Amateur Astronomy, Planets and Constellations

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