One person stands at the north pole and one person stands at the south pole. when the moon is directly over the equator, they both take a picture of the moon and the background stars. afterword, they compare their pictures. between the pictures, the moon appears to be shifted with respect to the background stars by how many lunar diameters? (diameter of earth = 12,756 km; circumference = 2π × radius; π = 3.14; distance to moon = 384,400 km; 1 lunar diameter = 0.50°)