AST101 Sept 25
Constellations: imaginary outlines based on stars close together in our sky
1 circle = 360 degrees
1 degree = 60 arc minutes (not time, it is an angle!)
1 arc minutes = 60 arc seconds
Earth rotates 360 degrees every 24 hours = 15 degrees an hour, 15 arc minutes a
minute, and 15 arc seconds per second.
Polaris: (star) Tail end of Ursa Minor constella