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The Moon is Earth 's only natural satellite. It orbits at an average distance of 384,400 km (238,900 mi), about 30 times the diameter of Earth. Over time Earth's gravity has caused tidal locking, causing the same side of the Moon to always face Earth.
- 405400 km, (404000–406700 km)
- 362600 km, (356400–370400 km)
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Moon Facts. 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. 10 things.
2024年5月6日 · As the Moon travels around Earth, different parts of it are lit up by the Sun. These changes in the Moon's appearance from our view on Earth are called moon phases. This graphic shows all eight moon phases we see as the Moon makes a complete orbit of Earth
Overview. Earth's Moon is 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.
2024年3月18日 · 月球 ，即 地衛一 ，俗稱 月亮 ，是 地球 唯一的天然 衛星 [nb 4] [5] ，直徑約等於地球的四分之一，質量約為地球的1/81，相對於所環繞的行星，它是體積和質量最大的衛星，並且是 太陽系 中 第五大 的衛星，也是太陽系內 密度 第二高的衛星，僅次於 木衛一 。 一般認為月亮形成於約45億年前，即 地球出現 後的不久。 有關它的起源有幾種假說，但沒有一種能完全合理地作毫無破綻的解釋，最被普遍認可的是 大碰撞說 ，它假設月球形成於地球與 火星 般大小的「 特亞 」之間的一次巨大撞擊。 它的 自轉 與 公轉 同步 （ 潮汐鎖定 ），因此以同一面朝向地球。 月球正面 標記著黑暗的火山熔岩 海 ，中間夾雜著明亮和古老地殼的高地和明顯的 隕石坑 。
6 天前 · Moon, Earth ’s sole natural satellite and nearest large celestial body. Known since prehistoric times, it is the brightest object in the sky after the Sun. It is designated by the symbol ☽. Its name in English, like that of Earth, is of Germanic and Old English derivation.
2023年9月7日 · Back to Article List. Everything you need to know about the Moon. The Moon is Earth’s trusty companion and one of the most enchanting features of the night sky. By Jake Parks | Published:...
