Globular cluster Palomar 1, Hubble Space Telescope (HST) image. Globular clusters are amongst the oldest objects in a galaxy. The contain only old sta

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Globular cluster Palomar 1, Hubble Space Telescope (HST) image. Globular clusters are amongst the oldest objects in a galaxy. The contain only old stars, with no gas present to fuel the formation of any new stars. Palomar 1 is a relatively young globular cluster at between and 8 billion years old. It is located in the constellation Cepheus around 800 light years from Earth. Data obtained by the Advanced Camera for Surveys on the HST.

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Photo credit: © NASA/ESA/STScI/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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Keywords: 1, acs, advanced, astronomical, astronomy, astrophysical, astrophysics, camera, cepheus, cluster, globular, hst, hubble, palomar, space, star, stars, surveys, telescope