Known since prehistoric times, it is the brightest object in the sky after the sun Its name in english, like that of earth, is of germanic and old english derivation. 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.
Discover interesting facts about how the moon formed, what it's made out of, and the many missions humans have launched to explore it. With our 2025 moon phase calendar, you'll find the current moon phase for tonight—plus, all the phases of the moon for each day of the month. 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. The moon is the only other planetary body that humans have visited On july 20, 1969, nasa astronauts neil armstrong and buzz aldrin were the first people to set foot on the dusty surface of the moon.
Today's lunar phases, including the moon age and details such as moonrise and moonset Discover when the moon will reach the full moon phase with a countdown timer.
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