Astrophysical Journal

Kepler team validates 41 new exoplanets with Keck I

(Phys.org) —The Kepler team today reports on four years of observations from the W. M. Keck Observatory targeting Kepler's exoplanet systems, announcing results this week at the American Astronomical Society ...

Jan 10, 2014
4.9 / 5 (26) 8 | with audio podcast

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 ...

Jan 08, 2014
4 / 5 (1) 1

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 ...

Jan 08, 2014
5 / 5 (12) 31 | with audio podcast

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 ...

Dec 27, 2013
4.9 / 5 (32) 60 | with audio podcast