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- Moon - Wikipedia
The Moon is Earth's only natural satellite It orbits around Earth at an average distance of 384 399 km (238,854 mi; about 30 times Earth's diameter) The Moon rotates, with a rotation period that is synchronized to its orbital period (lunar month) of 29 5 Earth days
- 月球 - 维基百科，自由的百科全书
在英語中月的專有名稱是“ the Moon ” [11] [12] 。该名詞源於原始日耳曼語的“ * mǣnōn ” [13] ，在725年之前的古英語被称为" mōna "，1135年为“ mone ”，大約在1380年变为“ moone ”，之后再变成现在的写法。月球在現代英語的主要形容詞是“ lunar ”，源自拉丁文的
- Earths Moon - Science@NASA
Like Earth, the Moon has a day side and a night side, which change as the Moon rotates The Sun always illuminates half of the Moon while the other half remains dark NASA’s Lunar Reconnaissance Orbiter (LRO) mission has mapped the entire lunar surface, including the Moon’s near and far sides, down to a scale of one meter
- The moon: Facts about our planets lunar companion
The moon's atmosphere contains many types of atoms, including oxygen, nitrogen, carbon monoxide, carbon dioxide, helium and even tiny amounts of water It also has weirder chemicals, such as argon
- In Depth | Earths Moon – NASA Solar System Exploration
The brightest and largest object in our night sky, the Moon makes Earth a more livable planet by moderating our home planet's wobble on its axis, leading to a relatively stable climate It also causes tides, creating a rhythm that has guided humans for thousands of years
- The moon — A complete guide to Earths companion | Space
Learn how Earth's moon formed, how its orbit affects Earth's tides, why solar and lunar eclipses happen and the history of lunar exploration
- Moon Fact Sheet - NSSDCA
The orbit changes over the course of the year so the distance from the Moon to Earth roughly ranges from 357,000 km to 407,000 km, giving velocities ranging from 1 100 to 0 966 km s Lunar Atmosphere
- 月相 | Earth Space Lab – 交互式 3D 动画
我们从地球上看到的月相是如何产生的？ 月球绕地球的转动 地球自转 按实际比例显示距离和天体尺寸 显示阳光方向 月相——从地球上看 新月之后的天数:
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