Boötes, the Herdsman

Cosmic Voids

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Cosmic Voids

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Giant “holes” in the Swiss cheese

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Beta Boötis

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Beta Boötis

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Two stars with a lot in common

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Boötes

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Boötes

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A constellation with a confused history

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Boötes, the Herdsman

Arcturus, the fourth-brightest star in Earth’s night sky, is about 25 times larger than the Sun, and it produces about

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