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Water on Mars: NASA announcement

Mon, 2015-09-28 11:16

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Contact: Vincent Allaire
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Source Site: /newsroom

NASA Telescopes Find Galaxy Cluster with Vibrant Heart

Astronomers have discovered a rare beast of a galaxy cluster whose heart is bursting with new stars. The unexpected find, made with the help of NASA's Spitzer and Hubble space telescopes, suggests that behemoth galaxies at the cores of these massive clusters can grow significantly by feeding off gas stolen from another galaxy
Thu, 2015-09-10 20:57

"Usually, the stars at the centers of galaxy clusters are old and dead, essentially fossils," said Tracy Webb of McGill University, Montreal, Canada, lead author of a new paper on the findings accepted for publication in the Astrophysical Journal. "But we think the giant galaxy at the center of this cluster is furiously making new stars after merging with a smaller galaxy."

Source Site: /newsroom