The Nature of Things

Season 52, Episode 4

Episode Title: The Norse: An Arctic Mystery

Air Date: 2012-11-22

Overview:

Are we alone in the universe? We may be very close to finding out. For millennia humans studying the stars had no idea if there were any other planets in the universe, let alone ones similar enough to ours to sustain life. Now, scientists may be close to discovering Earth-like planets, using a new space telescope and a technique pioneered by two Canadian astronomers.