jul 072012
Solar System's Larger Twin Found

  Astronomers have detected our cosmic twin: A planetary system arranged much like our own solar system. But GJ676A is only much larger than our system, a new study says.  The Gliese system is one of several newfound solar systems, including GJ676A (not pictured). Image credit: Dana Berry, National Geographic Dubbed GJ676A, the system has two rocky planets [continue reading]