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> Cepheids in the galaxy NGC 4603

Cepheids in the galaxy NGC 4603

author: Nasa/Novapix

reference: a-gax46-03001

Image Size 300 DPI: 25 * 14 cm

NGC 4603, a galaxy is 108 million light-years away. Its distance has been accurately measured by astronomers using the pulsating variable stars known as Cepheids. The Hubble space telescope has identified more than 36 Cepheids in NGC 4603. The bright stars visible on this image are in foreground and belong to our galaxy.

Keywords for this photo:

1997 - 1999 - ASTRONOMY - CENTAURUS - CEPHEID - EVOLUTION - GALAXY - HST - HUBBLE SPACE TELESCOPE - NGC 4603 - SOUTHERN HEMISPHERE - SPIRAL GALAXY - STAR - UNIVERSE EXPANSION - VARIABLE STAR - WIDE FIELD PLANETARY CAMERA -