Origin of the Moon
By: Mike • Essay • 427 Words • January 30, 2010 • 872 Views
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The origin of the moon is not absolutely known like most astronomical issues. Throughout the recorded history of mankind many theories have evolved trying to explain this phenomenon but even today there is not an absolute accepted answer. There are even conspiracy theorists who question the idea that we landed on the moon, citing that it could have been fabricated. By and large though, most believe that man did land on the moon in 1969, but just prior to this groundbreaking event, there were three main theories of the moon’s origin. One of these theories is the fission theory which concludes that the moon formed out of the ancient earth’s mantle during rapid rotation shortly after the earth’s origin. This theory was proposed by Charles Darwin’s son G.H. Darwin. The next main theory was the capture theory which proposed that the moon was created elsewhere in our solar system and was captured into the earth’s orbit where it still exists today. The third main theory pre-1969 was the double planet theory, also known as the co-accretion theory, which proposes that the earth and the moon formed together at the same time from the “primordial swarm of small planetesimals”. When the lunar missions of the late 60’s and early 70’s returned with rocks from the moon’s surface a new theory came to light stemming from the inability to prove the three prior theories with the scientific data pulled from the gatherings of the astronauts.
After man’s landing on the moon scientists began experimenting with the