Astrophysical Journal

The search for seeds of black holes

( —How do you grow a supermassive black hole that is a million to a billion times the mass of our sun? Astronomers do not know the answer, but a new study using data from NASA's Wide-field Infrared Survey Explorer, ...

dateMar 27, 2014 in Astronomy
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Hardy star survives supernova blast

( —When a massive star runs out fuel, it collapses and explodes as a supernova. Although these explosions are extremely powerful, it is possible for a companion star to endure the blast. A team of astronomers using ...

dateMar 20, 2014 in Astronomy
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Infant solar system shows signs of windy weather

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have observed what may be the first-ever signs of windy weather around a T Tauri star, an infant analog of our own Sun. This may help explain why some ...

dateSep 22, 2014 in Astronomy
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Most stars are born in clusters, some leave 'home'

New modeling studies from Carnegie's Alan Boss demonstrate that most of the stars we see were formed when unstable clusters of newly formed protostars broke up. These protostars are born out of rotating clouds of dust and ...

dateSep 24, 2014 in Astronomy
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Eta Carinae: Our Neighboring Superstars

( —The Eta Carinae star system does not lack for superlatives. Not only does it contain one of the biggest and brightest stars in our galaxy, weighing at least 90 times the mass of the Sun, it is also extremely ...

dateAug 26, 2014 in Astronomy
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