Paternity Test Shows Earth Is The Moon's Father
Friday, March 30, 2012 - 17:40
in Astronomy & Space
A chemical analysis of lunar soil collected by Apollo astronauts forty years disputes the belief that a giant collision between Earth and a Mars-sized object gave birth to the moon 4.5 billion years ago.In the giant-collision scenario, computer simulations suggest that the moon had two parents: Earth and a hypothetical planetary body called “Theia” but a comparative analysis of titanium from the moon, Earth and meteorites indicates the moon’s material came from Earth alone. read more