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安裝中文字典英文字典辭典工具!
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- Moon - Wikipedia
In geophysical terms, the Moon is a planetary-mass object or satellite planet Its mass is 1 2% that of the Earth, and its diameter is 3,474 km (2,159 mi), roughly one-quarter of Earth's (about as wide as the contiguous United States)
- Moon Facts - NASA Science
The Earth and Moon are tidally locked Their rotations are so in sync we only see one side of the Moon Humans didn't see the lunar far side until a Soviet spacecraft flew past in 1959 The Moon has a solid, rocky surface cratered and pitted from impacts by asteroids, meteorites, and comets
- Moon Phase Today: Live Moon Phase Tracker
Track the moon phase today with our interactive moon phase calculator Get details on the current moon phase and the next full moon date
- Moon: Rise, Set, Phase - Sky Tonight
Explore the current phase of the moon, its rise and set times, nightly motion across the sky, and discover lunar features with our interactive map Stay informed about the celestial movements above
- Moon Facts - Science Notes and Projects
Explore interesting moon facts, from its phases and orbit to tides, eclipses, surface features, and future lunar exploration
- Moon phase today | Current moon
Current moon phase, including information about its position, illumination, moonrise, and moonset
- 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 101 - National Geographic Society
What is the moon made of, and how did it form? Learn about the moon's violent origins, how its phases shaped the earliest calendars, and how humans first explored Earth's only natural satellite half a century ago
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