IS PLUTO REALLY ALL ALONE?

Pluto is a cute little orb, but you can’t take everything it says at face value. While it was wallowing in self-pity at being declassified as a planet, NASA discovered it has two more moons in addition to the three already known. “The moons form a series of neatly nested orbits, a bit like Russian dolls,” says Mark Showalter of the SETI Institute in Mountain View, Calif.