Astrophysical Journal

Sunny super-Earth?

(Phys.org) —Researchers from NAOJ and the University of Tokyo have observed the atmosphere of super-Earth "GJ3470b" in Cancer for the first time in the world using two telescopes at OAO (Okayama Astrophysical Observatory, NAOJ). This ...

Jun 12, 2013
5 / 5 (5) 1 | with audio podcast

Earth's Milky Way neighborhood gets more respect

(Phys.org) —Our Solar System's Milky Way neighborhood just went upscale. We reside between two major spiral arms of our home galaxy, in a structure called the Local Arm. New research using the ultra-sharp ...

Jun 03, 2013
4.9 / 5 (15) 3 | with audio podcast

Kepler provides insights into unusual dwarf star

(Phys.org) —Astronomer John Gizis of the University of Delaware, working with data obtained by the Kepler mission, is studying a highly unusual dwarf star and its powerful flares that may hold clues to the ...

Jun 03, 2013
4.1 / 5 (9) 10 | with audio podcast

How common are earths around small stars?

(Phys.org) —The Kepler mission has revolutionized the study of exoplanet statistics by increasing the number of known extrasolar planets and planet candidates by a factor of five, and by discovering systems ...

Jun 03, 2013
4.2 / 5 (19) 16 | with audio podcast

4C+29.30: Black hole powered jets plow into galaxy

(Phys.org) —This composite image of a galaxy illustrates how the intense gravity of a supermassive black hole can be tapped to generate immense power. The image contains X-ray data from NASA's Chandra X-ray ...

May 15, 2013
5 / 5 (6) 4 | with audio podcast

Sifting through the atmospheres of far-off worlds

(Phys.org) —Gone are the days of being able to count the number of known planets on your fingers. Today, there are more than 800 confirmed exoplanets—planets that orbit stars beyond our sun—and more ...

May 09, 2013
4.8 / 5 (6) 3 | with audio podcast

Spitzer telescope puts planets in a petri dish

(Phys.org) —Our galaxy is teeming with a wild variety of planets. In addition to our solar system's eight near-and-dear planets, there are more than 800 so-called exoplanets known to circle stars beyond ...

May 06, 2013
4.4 / 5 (5) 1 | with audio podcast