Discovery of 2 Earth-size planets raises questions about the evolution of stars
Wednesday, December 21, 2011 - 15:30
in Astronomy & Space
Researchers have detected two planets of sizes comparable to Earth orbiting around an old star that has just passed the red giant stage. This planetary system is located near Lyra and Cygnus constellations at a distance of 3900 light years. This discovery may shed new light on the destiny of stellar and planetary systems.