Jewel Box star cluster, optical image

Jewel Box star cluster, optical image

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Credit: Y. Beletsky/EUROPEAN SOUTHERN OBSERVATORY/SCIENCE PHOTO LIBRARY

Restrictions: This image may not be used by or to promote the arms, nuclear power or tobacco industries or any religious organisation, or in any discriminatory way, or to imply the endorsement by ESO of any product, service or activity

Caption: Jewel Box star cluster (NGC 4755), optical image. This star cluster is around 6500 light years distant in the constellation of Crux. This grouping of stars is renowned for the contrast in colour between a red supergiant (upper centre), and the remaining bright stars which are blue/white supergiants. These massive stars are thought to be around 80,000 times more luminous than the Sun. This image was obtained by the FORS1 instrument on the European Southern Observatory (ESO) Very Large Telescope (VLT) at ESO's Paranal Observatory, Chile. Image published in 2009.

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Keywords: 2009, astronomical, astronomy, astrophysical, astrophysics, blue supergiant, bvi filters, crux, fors1, jewel box, kappa crucis, ngc 4755, optical, red supergiant, space, spectrograph, star cluster, supergiants, telescope, universe, visible, visual and near uv focal reducer and low dispersion spectrograph, vlt

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