Known since prehistoric times, it is the brightest object in the sky after the sun The moon makes earth more livable, sets the rhythm of ocean tides, and keeps a record of our solar system's history Its name in english, like that of earth, is of germanic and old english derivation.
Breathtaking hi-res picture of the moon : pics
Nasa's interactive map for observing the moon each day of the year.
The moon is getting 1½ inches (3.8 centimeters) farther away from the earth every year
Scientists measure the distance to the moon by bouncing lasers off mirrors placed there by space probes and astronauts By measuring the amount of time it takes light to travel to the moon and back, scientists. How big is the moon The moon’s diameter is approximately 2,160 miles (3,475.
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. We see the full moon when the sun is directly behind us, illuminating a full hemisphere of the moon when it is directly in front of us. 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. A lunar phase or moon phase is the apparent shape of the moon 's day and night phases of the lunar day as viewed from afar Because the moon is tidally locked to earth, the cycle of phases takes one lunar month and moves across the same side of the moon, which always faces earth.
