| タイトル | Origin of the Moon |
| 著者（英） | Stevenson, David |
| 著者所属（英） | California Inst. of Tech. |
| 発行日 | 2006-05-05 |
| 言語 | eng |
| 内容記述 | Many ideas have been proposed for the origin of the Moon, but only one has stood the test of time: During the formation of Earth, about 4.5 billion years ago, our planet was hit by a projectile the size of Mars, leading to a close-in disk of molten material in earth orbit. From this material, our Moon formed in about a thousand years. I will explain how the properties of the Moon can be explained by this model and why the alternative ideas are either incorrect or highly improbable. I will also talk about some new developments in this area that come from a consideration of chemistry and isotopic measurements. Finally. I will talk about what we don't know and why the Moon is still an interesting place for further exploration. |
| NASA分類 | Lunar and Planetary Science and Exploration |
| 権利 | No Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/275696 |
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