Bootes the herdsman. Arcturus is a giant yellow star and is a senior citizen, probably about 10 billion years old. It belongs to a group of stars called population II stars. These stars are all believed to be among the earliest stars created in the galaxy. The reason we think this is because the stars are almost completely composed of helium and hydrogen, and have few other trace elements.
Younger stars pick up other elements recycled from stars which explode in old age.
The Big Dipper is high overhead in the northern sky. It is upside down, puring its celestial contents in the night sky. The Big Dipper is not actually a constellation, and is often mistakenly referred to as such. There are eighty-eight recognized constellations, and a number of groups of stars called asterisms. The Big Dipper is an asterism.