... parts of the solar system generally have different isotopic compositions. "So people decided to change the giant impact hypothesis," said Kun Wang, assistant professor in Earth and Planetary Sciences at Washington University in St. Louis, and...
... that of the Earth and factoring in elements such as post-impact disk processes, and the formation of the Moon’s small metallic ... the lunar mantle because they never re-condensed after the giant impact. Instead says Righter, they stayed in a gas phase...
... not melt the northern hemisphere. This figure is significantly lower than the energy released by the Southern Giant Impact hypothesis that did produce volcanism all over the southern hemisphere. It is therefore reasonable to assume that the original...
... touch on how the Earth obtained its water as well as the organic compounds necessary for life. The giant impact hypothesis is the best theory of the formation of the Earth. Soon after a proto-Earth had formed, it collided with...
...our planet to form the Moon. This is known as the giant-impact hypothesis and a shard from such a collision could have reached the... a crater as wide as the planet itself. Such a colossal impact could easily have sent 101429 on its way to the planet’s ...