释义 |
jewel box
jewel boxn. A usually lined box or case for holding jewelry. Also called jewel case.jew′el box` n. 1. a small case for jewelry or other valuables. 2. a hinged plastic case for the storage of a compact disc. [1825–35] TranslationsJewel Box
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. |