Observation 1.1: Astronomy Cast Ep. 227 (Big Dipper)

This episode of the Astronomy Cast talked about the Big Dipper. The Big Dipper is the common name of the constellation Ursa Major, and is one of the most well known constellations in the sky. The Big Dipper has long been used to as a guide north, due to the brightness of it's stars. This has helped many people, including runaway slaves and sailors. The Big Dipper is known by other names depending on the culture of the area; in Europe, for example, it is known as The Plow.