apr 082012
 
Dust disk around Fomalhaut hints at pair of orbiting bodies

Two small planets might be sculpting an enormous dust ring around the star Fomalhaut, a mere 25 light-years away from Earth. But it’s not too likely that either planet is the notorious Fomalhaut b, which once held the title of the first directly imaged exo-world. Fomalhaut  Credit: NASA   “The best explanation so far is that [continue reading]