On August 10 , 1972 , a meteor that became known as the 1972 Great Daylight Fireball was witnessed by many people ; it moved north over the Rocky Mountains from the U.S. Southwest to Canada . It was an Earth-grazing meteoroid that passed within of the Earth 's surface , and was filmed by a tourist at the Grand Teton National Park in Wyoming with an 8-millimeter color movie camera
1972 Great Daylight Fireball
1972 Great Daylight Fireball
Near-Earth object