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Virgo cluster galaxies and their globular star clusters

Virgo cluster galaxies and their globular star clusters


Date: 05 August 2008
Satellite: Hubble Space Telescope
Depicts: Virgo cluster galaxies
Copyright: NASA, ESA, and E. Peng (Peking University, Beijing)

These images taken by the NASA/ESA Hubble Space Telescope show 100 galaxies, with their globular cluster systems, observed within the Advanced Camera for Surveys (ACS) Virgo Cluster Survey.

Globular clusters, dense bunches of hundreds of thousands of stars, have some of the oldest surviving stars in the Universe. Most of the star clusters observed in the Virgo survey are more than 5000 million years old. The Hubble study found evidence that these globular clusters are more likely to form in dense areas where star birth occurs at a rapid rate, instead of uniformly from galaxy to galaxy.

Comprised of over 2000 galaxies and located about 54 million light-years away, the Virgo cluster is the nearest large galaxy cluster to Earth. These composite images were made from the advanced camera's full field-of-view observations. Astronomers also used modelling data to fill in a narrow gap between the camera's detectors. The images were taken from December 2002 to December 2003.

Last Update: 1 September 2019
28-Oct-2021 02:08 UT

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