News tagged with astrophysical journal letters

Sun-like stars reveal their ages

(Phys.org) —Defining what makes a star "Sun-like" is as difficult as defining what makes a planet "Earth-like." A solar twin should have a temperature, mass, and spectral type similar to our Sun. We also ...

Jul 10, 2014 5 / 5 (6) 4

Globular clusters rotate at heart

(Phys.org) —Astronomers from the University of Texas at Austin and Germany's Max Planck Institute for Extraterrestrial Physics (MPE) recently found a surprise when studying some of the oldest star clusters ...

May 09, 2014 4.8 / 5 (18) 11