Moon

Moon

The Earth's only natural satellite. The moon has a cold, dry orb covered with many lunar craters and strewn with rocks and dust. The moon has no atmosphere. But recent lunar missions have found plenty frozen water on the moon.

Industry: Astronomy

Add a new term

Contributors in Moon

Become a Contributors

Moon

Regression of nodes

Astronomy; Moon

The backwards movement of the Moons nodes relative to the direction of orbit.

Moon water

Astronomy; Moon

The moon had previously been thought to be a dry and dusty place until frozen water was discovered in one of its permanently shadowed craters in 2009. The latest studies found primitive water content ...

Apollo

Astronomy; Moon

The code name for the U.S. manned Lunar exploration programme that successfully completed the first human landing on the Moon by Apollo 11 on July 20 1969. The programme began tragically with the ...

Albedo

Astronomy; Moon

A unit-less measure that refers to the how much an object diffusely reflects light from the sun. Albedo is determined by measuring the ratio between the light reflected and the light shining on an ...

Meteoroid

Astronomy; Moon

A small body drifting through space. If a meteoroid is pulled into a planet's or moons gravitational field, it is called a meteor. if the meteor survives a trip through the atmosphere and lands, it ...

Mascon

Astronomy; Moon

An area of the Moons curst formed from dense, thick lunar material and having strong local gravitational effects.

Mean

Astronomy; Moon

A mathematical average of a set of numbers or measurements, with the mean equaling the sum of the numbers divided by the number of units. The mean radius of the Moon, for example, is the average ...