News tagged with galaxy cluster

Birth of a radio phoenix

Abell 1033 is a cluster of over 350 galaxies located about 1.7 billion light-years away. Collisions between galaxies in clusters are common events, and each merger heats and shocks the nearby gas. The rapidly moving, ionized ...

dateApr 28, 2015 in Astronomy
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Star formation in distant galaxy clusters

The first stars appeared about one hundred million years after the big bang, and ever since then stars and star formation processes have lit up the cosmos, producing heavy elements, planets, black holes, and arguably all ...

dateFeb 15, 2016 in Astronomy
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Hubble sees a legion of galaxies

Peering deep into the early universe, this picturesque parallel field observation from the NASA/ESA Hubble Space Telescope reveals thousands of colorful galaxies swimming in the inky blackness of space. A few foreground stars ...

dateMar 11, 2016 in Astronomy
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Chandra finds remarkable galactic ribbon unfurled

An extraordinary ribbon of hot gas trailing behind a galaxy like a tail has been discovered using data from NASA's Chandra X-ray Observatory. This ribbon, or X-ray tail, is likely due to gas stripped from the galaxy as it ...

dateDec 22, 2015 in Astronomy
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Peering into building blocks of galaxies

(Phys.org)—When a giant cloud of molecular gas condenses, star clusters are born. It may sound simple but the formation of star clusters is a very complex process, not yet completely understood by scientists. By peering ...

dateNov 16, 2015 in Astronomy report
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Measuring galaxy evolution with globular clusters

Globular clusters are gravitationally bound ensembles of stars, as many as a million stars in some cases, grouped in roughly spherical clusters with diameters as small as only tens of light-years. Globular clusters are typically ...

dateMar 23, 2015 in Astronomy
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