Astronomy 1011A/B Study Guide - Quiz Guide: Cosmic Calendar, Astronomical Unit, Earth X

• School: Western University
• Department: Astronomy
• Course: Astronomy 1011A/B
• Professor: Reynold Silber

Document Summary

It takes about 8 minutes for light to travel from the sun to our planet. A. the average speed of earth around the sun. B. the length of time it takes earth to revolve around the sun. C. the average distance from earth to the sun. E. the diameter of earth"s orbit around the sun. Suppose we imagine the sun to be about the size of a grapefruit. Earth is the size of a marble about 25 miles away from the sun. Earth is the size of a golf ball about 1 meter away from the sun. C. earth is the size of a point about 15 meters away from the sun. D. earth is the size of a golf ball about 15 meters away from the sun. E. earth is the size of a point about 1 meter away from the sun. The point directly over your head is called ___