The Moon

Luna, more commonly known as the Moon, is Earth's only natural satellite. It orbits the Earth once every 28 days. It's sometimes also known as The Moon. Between 1969 and 1972 NASA launched a series of missions to the moon, but afterwards, it became too expensive. Luna is also the first satellite of our Solar System

Man on the MOON!!!!

Neil Armstrong, the first man on the moon (Astronaut)


Moon RocksEdit

Moon rocks fall into two main categories, based on whether they underlie the lunar highlands (terrae) or the maria. The lunar highlands rocks are composed of three suites: the ferroan anorthosite suite, the magnesian suite, and the alkali suite (some consider the alkali suite to be a subset of the mg-suite). The ferroan anorthosite suite rocks are composed almost exclusively of the mineral anorthite (a calic plagioclase feldspar), and are believed to represent plagioclase flotation cumulates of the lunar magma ocean. The ferroan anorthosites have been dated using radiometric methods to have formed about 4.4 billion years ago.

The mg- and alkali-suite rocks are predominantly mafic plutonic rocks. Typical rocks are dunites, troctolites, gabbros, alkali anorthosites, and more rarely, granite. In contrast to the ferroan anorthosite suite, these rocks all have relatively high Mg/Fe ratios in their mafic minerals. In general, these rocks represent intrusions into the already-formed highlands crust (though a few rare samples appear to represent extrusive lavas), and they have been dated to have formed about 4.4–3.9 billion years ago. Many of these rocks have high abundances of, or are genetically related to, the geochemical component KREEP.

The lunar maria consist entirely of mare basalts. While similar to terrestrial basalts, they have much higher abundances of iron, are completely lacking in hydrous alteration products, and have a large range of titanium abundances.

Astronauts have reported that the dust from the surface felt like snow and smelled like spent gunpowder. The dust is mostly made of silicon dioxide glass (SiO2), most likely created from the meteors that have crashed into the Moon's surface. It also contains calcium and magnesium.

Every once and a while, there is a lunar eclipse. During the eclipse, the sun goes in front of the moon, and the moon changes from black to red.


  • Monday is named after Luna, or Earth's moon.
  • Nobody knows how Luna was formed, but some theories say that moon formed by an object hitting earth (a Mars-sized object to be particular)
  • There is a song, by Pink Floyd, called Dark Side of the Moon.

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