Astronomers delight in unexpected celestial visitor

A mysterious object, believed to be billions of years old, is hurtling through our solar system. Thought to be only the third known interstellar visitor ever observed, it has astronomers racing to study it while it's still visible. Michele Bannister, a lecturer at the University of Canterbury in New Zealand, tells Host Marco Werman why this rare traveler from the depths of interstellar space is capturing scientists' attention.