News tagged with stars

Chemical fingerprints of ancient supernovae found

A Carnegie-based search of nearby galaxies for their oldest stars has uncovered two stars in the Sculptor dwarf galaxy that were born shortly after the galaxy formed, approximately 13 billion years ago. The unusual chemical ...

dateMar 23, 2015 in Astronomy
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Hubble explores the mysteries of UGC 8201

The galaxy UGC 8201, captured here by the NASA/ESA Hubble Space Telescope, is a dwarf irregular galaxy, so called because of its small size and chaotic structure. It lies just under 15 million light-years away from us in ...

dateMar 19, 2015 in Astronomy
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"Mini supernova" explosion could have big impact

In Hollywood blockbusters, explosions are often among the stars of the show. In space, explosions of actual stars are a focus for scientists who hope to better understand their births, lives, and deaths and how they interact ...

dateMar 16, 2015 in Astronomy
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A grand extravaganza of new stars

This dramatic landscape in the southern constellation of Ara (The Altar) is a treasure trove of celestial objects. Star clusters, emission nebulae and active star-forming regions are just some of the riches observed in this ...

dateMar 11, 2015 in Astronomy
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Where do stars form in merging galaxies?

Collisions between galaxies, and even less dramatic gravitational encounters between them, are recognized as triggering star formation. Observations of luminous galaxies, powered by starbursts, are consistent with this conclusion. ...

dateMar 02, 2015 in Astronomy
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