Binary and Multi-Star Systems

A binary is a pair of stars that orbit each other. A multi-star system consists of three or more stars. The stars in a binary or a multi-star system all formed from a single cloud of gas and dust, so they are true “siblings.”

NGC 246

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NGC 246

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Sculpting a bright skull

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Contact Binaries

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Contact Binaries

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Stars that are especially close

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Moon and Regulus

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Moon and Regulus

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A star that’s more than meets the eye

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Dubhe

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Dubhe

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Pulling apart the Big Dipper

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Libra, the Scales

Libra’s brightest stars, however, are named for the next constellation over, Scorpius. The stars are Zubenelgenubi and Zubeneschamali, which are

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