Astrophysical Journal

Hubble finds source of Magellanic Stream

(Phys.org) —Astronomers using the NASA/ESA Hubble Space Telescope have solved the 40-year-old mystery of the origin of the Magellanic Stream, a long ribbon of gas stretching nearly halfway around the Milky ...

dateAug 08, 2013 in Astronomy
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Quasar observed in six separate light reflections

(Phys.org) —Quasars are active black holes—primarily from the early universe. Using a special method where you observe light that has been bent by gravity on its way through the universe, a group of physics ...

dateAug 07, 2013 in Astronomy
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Monster galaxies lose their appetite with age

(Phys.org) —Our universe is filled with gobs of galaxies, bound together by gravity into larger families called clusters. Lying at the heart of most clusters is a monster galaxy thought to grow in size ...

dateAug 01, 2013 in Astronomy
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Solar system's youth gives clues to planet search

Comets and meteorites contain clues to our solar system's earliest days. But some of the findings are puzzle pieces that don't seem to fit well together. A new set of theoretical models from Carnegie's Alan Boss shows how ...

dateJul 24, 2013 in Astronomy
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NGC 2392: A beautiful end to a star's life

(Phys.org) —Stars like the Sun can become remarkably photogenic at the end of their life. A good example is NGC 2392, which is located about 4,200 light years from Earth. NGC 2392, (nicknamed the "Eskimo ...

dateJul 11, 2013 in Astronomy
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