Earthsky Tonight — April 6, 2010: Use Big Dipper to find Polaris and Little Dipper
Polaris is special because it always stays in the same spot in the northern sky. It is the star around which the entire northern sky appears to turn.
Earthsky Tonight — April 5, 2010: Star in the constellation Bootes makes history
In 2007, an international team of astronomers caught the star Tau Bootis flipping its north and south magnetic poles while they were mapping the magnetic fields of stars.This was the…