View the full issue in the Magazine Archive Ursa Major, the Great Bear, is a large constellation in the northern circumpolar region of the sky. Ursa Major is known best for the Big Dipper, which...
Alcor
The Big Dipper
Most people who can pick out at least two constellations in the night sky can point out the Big Dipper. As it turns out, the Big Dipper is not a constellation. It’s an asterism within the...