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What is an apparent magnitude?

Updated: 8/11/2023
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8y ago

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Earth's apparent magnitude would depend on where it is viewed from. For instance, from Saturn, the apparent magnitude is 1.45. From Mars is would be somewhat higher.

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9y ago
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14y ago

The brightness of a celestial body as seen by an observer on Earth.

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8y ago

An apparent magnitude is a numerical measure of the brightness of a celestial body - a decrease of a single unit represents an increase in the light received by a factor of 2.512.

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