Astrophysical Journal

Many small exoplanets found to be covered in gas

During its four-year mission, NASA's Kepler space telescope discovered thousands of "planetary candidates" in our Milky Way galaxy—the vast majority of which are almost certainly actual planets. But before scientists can ...

dateJan 08, 2014 in Astronomy
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Death by black hole in small galaxy?

(Phys.org) —A bright, long-duration flare may be the first recorded event of a black hole destroying a star in a dwarf galaxy. The evidence comes from two independent studies using data from NASA's Chandra ...

dateJan 08, 2014 in Astronomy
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Retrieving an asteroid

(Phys.org) —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 ...

dateDec 27, 2013 in Space Exploration
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Birth of black hole kills the radio star

Astronomers led by a Curtin University researcher have discovered a new population of exploding stars that "switch off" their radio transmissions before collapsing into a Black Hole.

dateDec 20, 2013 in Astronomy
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The rise and fall of galactic cities

(Phys.org) —In the fable of the town and country mice, the country mouse visits his city-dwelling cousin to discover a world of opulence. In the early cosmos, billions of years ago, galaxies resided in ...

dateDec 19, 2013 in Astronomy
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