Circumpolar Rotation Dome 1 Photos- The Earth\’s natural spin in 20 minutes at Observatory on Mount Bigelow, Tuscon, AZ.
Polaris is the North Star, the Earth rotates about that center.
Sold only as a set! 16×20 Matted double opening 8×8 Set with Milkyway Star Trails 30 min. photo for only $115.00