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Thursday September 9th 2010
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Posts Tagged ‘apparent magnitud’

Starlight, Star Bright

Starlight, Star Bright

Starlight, Star Bright By Kevin Manning How bright a star appears in the sky is commonly referred to as its apparent magnitude. More than 2,000 years ago during the Hellenistic period a Greek astronomer named Hipparchus came up with a system of classifying stars according to their brightness. In this original magnitude scale Hipparchus [...]