Where did the Moon come from? - NASA
The Fission Theory: This theory proposes that the Moon was once part of the Earth and somehow separated from the Earth early in the history of the solar system. The present Pacific Ocean …
The origin of the Moon: 5 theories to explain the formation ...
2022年11月21日 · British Astronomer Sir George Howard Darwin, Charles Darwin’s fifth child, proposed the fission theory in 1878. The fission theory states that the Moon broke away from …
Fission Darwin (1879) proposed that the Moon originated from a rapidly rotating Earth and can be modified by substitution of excessive rotation rate and unstable spin during the formation of …
How did the Moon form? - Natural History Museum
The fission theory suggests Earth had been spinning so fast that some material broke away and began to orbit the planet. The giant-impact theory is most widely accepted today. This …
9.4 The Origin of the Moon – Astronomy
The fission theory—the Moon was once part of Earth, but somehow separated from it early in their history. The sister theory—the Moon formed together with (but independent of) Earth, as we …
Where Did Our Moon Come From? We Asked a NASA Scientist ...
2022年12月13日 · Another version was fission, where the Earth was spinning so fast that it would have blorped out of the Earth and then formed its own body. This led to our current theory, the …
Theories of Formation for the Moon - University of Rochester
The Fission Theory: The Moon was once part of the Earth and somehow separated from the Earth early in the history of the Solar System. The present Pacific Ocean basin is the most popular …