Get Set for a Possible Glimpse of an Asteroid

The most prominent asteroid in the sky is currently yours for the perusing with binoculars -- and perhaps even the naked eye. Tomorrow night, Wednesday, Feb. 17, Vesta, the second most massive object in the asteroid belt, reaches what astronomers like to call "opposition." An asteroid (or planet or comet) is said to be "in opposition" when it is opposite to the sun as seen from Earth. In