Did the Solar System Just Gain 2 New Worlds? - Scientific American Blog Network
A pair of scientific papers suggest that the ALMA observatory may have detected 2 new "planet-scale" objects associated with the outer realms of the solar system. But should we be awed or skeptical?
Alpha Centauri Atacama Large Extreme Trans Neptunian Object Solar System Super Earth Trans Neptunian
Source: scientificamerican.com