Astrophysical Journal

Retrieving an asteroid

( —Asteroids (or comets) whose orbits bring them close to the earth's orbit are called near Earth objects. Some of them are old, dating from the origins of the solar system about four and one-half billion years ...

dateDec 27, 2013 in Space Exploration
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Massive black hole duo: Possible sighting by WISE

( —Astronomers have spotted what appear to be two supermassive black holes at the heart of a remote galaxy, circling each other like dance partners. The incredibly rare sighting was made with the help of NASA's ...

dateDec 04, 2013 in Astronomy
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Astronomers discover new kind of supernova

( —Supernovae were always thought to occur in two main varieties. But a team of astronomers including Carnegie's Wendy Freedman, Mark Phillips and Eric Persson is reporting the discovery of a new type of supernova ...

dateMar 26, 2013 in Astronomy
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Theorists weigh in on where to hunt dark matter

( —Now that it looks like the hunt for the Higgs boson is over, particles of dark matter are at the top of the physics "Most Wanted" list. Dozens of experiments have been searching for them, but often come up with ...

dateMay 22, 2013 in General Physics
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