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Jewel Box (redirected from jewel cases)
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Jewel Box (NGC 4755) A brilliant open cluster in the southern constellation Crux that contains over 100 stars of various colors, the brightest being the 6th-magnitude blue supergiant Kappa (κ) Crucis. It appears to be a young cluster of an estimated age of 10 million years, and is about 2400 parsecs away.