Moon - Wikipedia
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. Tidal forces between Earth and the Moon have synchronized the Moon's orbital period (lunar month) with its rotation period (lunar day) at 29.5 Earth days, causing the same side of the Moon to always ...
Moon Facts - NASA Science
The Moon is Earth's only natural satellite. It goes around the Earth at a distance of about 239,000 miles (385,000 kilometers). 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.
Moon | Features, Phases, Surface, Exploration, & Facts | Britannica
2 天之前 · 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.. The Moon’s desolate beauty has been a source of fascination and curiosity throughout history and has …
Earth's Moon - Science@NASA
The Moon makes Earth more livable 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 rotates exactly once each time it orbits our planet. Observers on Earth can track the Moon's motion in space (relative to ...
Everything you need to know about the Moon | Astronomy.com
2023年9月7日 · The Moon’s outer layer is a thin, rocky crust made up of oxygen, silicon, magnesium, iron, calcium, aluminum, and trace elements like potassium, titanium, and uranium. Beneath the lunar surface ...
Overview | Phases, Eclipses & Supermoons – Moon: NASA Science
From your astronaut’s viewpoint, you can see that the Moon is an average of 238,855 miles (384,399 km) from Earth, or about the space that could be occupied by 30 Earths. It travels around our planet once every 27.322 days in an elliptical orbit, an elongated circle. The Moon is tidally locked with Earth, which means that it spins on its axis ...
All About the Moon | NASA Space Place – NASA Science for Kids
5 天之前 · 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. Ten other American astronauts followed. They collected hundreds of pounds of lunar soil and rock samples, conducted experiments and installed ...
In Depth | Earth's Moon – NASA Solar System Exploration
The Moon was likely formed after a Mars-sized body collided with Earth several billion years ago. Earth's Moon is the only place beyond Earth where humans have set foot, so far. Earth's only natural satellite is simply called "the Moon" because people didn't know other moons existed until Galileo Galilei discovered four moons orbiting Jupiter ...
Moon Interactives - NASA Science
View the Moon through the eyes of many different instruments, pilot real-time 3D flyovers above mountains and into craters, and conduct measurements of surface features. Visit MoonTrek. NASA Eyes. Fly through the solar system to the Moon in this browser-based 3D visualization tool. Ride alongside past and present space missions.
NASA Provides Update on Artemis III Moon Landing Regions
2024年10月28日 · “The Moon’s South Pole is a completely different environment than where we landed during the Apollo missions,” said Sarah Noble, Artemis lunar science lead at NASA Headquarters in Washington. “It offers access to some of the Moon’s oldest terrain, as well as cold, shadowed regions that may contain water and other compounds.