The moon's actual color is an off-white brown-gray when its dusty surface is sunlit.

FACT #1

Blue Moons occur once every two to three years, according to NASA.  Blue Moons can occur relatively frequently, that is, in astronomical terms.  

FACT #2

The definitive discovery of Moon water came in 2008, when India's space agency ISRO launched the Chandrayaan-1 spacecraft to lunar orbit. 

FACT #3

Neil Armstrong on the MoonAt 02:56 GMT on 21 July 1969, Armstrong became the first person to step onto the Moon.  

FACT #4

The Moon was volcanically active until 1.2 billion years ago, which laid down the prominent lunar maria.  

FACT #5

The Moon is by size and mass the fifth largest natural satellite of the Solar System,

FACT #6

On average the Moon's surface gravity is 1.62 m/s2 about half of the surface gravity of Mars and about a sixth of Earth's. 

FACT #7