The Nature of Things
The Norse: An Arctic Mystery
TV-PG
S52 • E5 Nov 22, 2012Are 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.