Moon
Videos
The Moon is the only natural satellite of Earth. It orbits around Earth at an average distance of 384,399 kilometers, a distance roughly 30 times the width of Earth. It completes an orbit in relation
The near side of the Moon with the lunar north pole at the top
Size comparison of the main moons of the Solar System with Earth to scale. Nineteen moons are large enough to be round, several having subsurface oceans and one, Titan, having a considerable atmosphere.
Surveyor 7 observes levitating dust, a phenomenon named Lunar horizon glow can be seen
Astronaut Charles Duke working on the Moon with his suit covered in lunar dust. Lunar dust is highly abrasive and can cause damage to human lungs and nervous and cardiovascular systems.
Geology of the Moon
Videos
The geology of the Moon is the structure and composition of the Moon, which is quite different from that of Earth. The Moon lacks a true atmosphere outside of a sparse layer of gas. Because of this, t
False-color image of the Moon taken by the Galileo orbiter showing geological features. NASA photo
The same image in true color.
Ancient rift valleys – rectangular structure (visible – topography – GRAIL gravity gradients) (October 1, 2014)
Ancient rift valleys – context