News tagged with star clusters

The survivors of a 13 billion year old massacre

(PhysOrg.com) -- Our Milky Way galaxy is surrounded by some 200 compact groups of stars, containing up to a million stars each. At 13 billion years of age, these globular clusters are almost as old as the ...

dateFeb 14, 2012 in Astronomy
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'Dead' galaxies are not so dead after all

(PhysOrg.com) -- University of Michigan astronomers examined old galaxies and were surprised to discover that they are still making new stars. The results provide insights into how galaxies evolve with time.

dateMay 30, 2011 in Astronomy
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Messier 61 looks straight into Hubble's camera

(Phys.org) —The NASA/ESA Hubble Space Telescope has captured this image of nearby spiral galaxy Messier 61, also known as NGC 4303. The galaxy, located only 55 million light-years away from Earth, is roughly ...

dateJun 21, 2013 in Astronomy
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The two-faced whirlpool galaxy

(PhysOrg.com) -- These images by NASA's Hubble Space Telescope show off two dramatically different face-on views of the spiral galaxy M51, dubbed the Whirlpool Galaxy.

dateJan 14, 2011 in Astronomy
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Globular clusters rotate at heart

(Phys.org) —Astronomers from the University of Texas at Austin and Germany's Max Planck Institute for Extraterrestrial Physics (MPE) recently found a surprise when studying some of the oldest star clusters ...

dateMay 09, 2014 in Astronomy
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