The Earth’s The Earth’s MoonMoon

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Moon StatisticsMoon Statistics

Orbital period = Orbital period = 27.32166/days27.32166/days

Rotational period = Rotational period = 27.32166/days27.32166/days

The Moon's gravityThe Moon's gravity is one-sixth is one-sixth of the Earth's gravity.of the Earth's gravity.

The Moon's SurfaceThe Moon's Surface

The moon has two main kinds of The moon has two main kinds of surface: surface: MariaMaria,, Highlands Highlands..

The The MariaMaria are lower in altitude are lower in altitude than the than the HighlandsHighlands, but there , but there is no water on the Moon so they is no water on the Moon so they are not literally seasare not literally seas..

A Ring Around The MoonA Ring Around The Moon

The ringThe ring around the Moon is around the Moon is caused by the refraction of caused by the refraction of Moonlight from ice crystals in Moonlight from ice crystals in the upper atmosphere. The the upper atmosphere. The shape of the ice crystals shape of the ice crystals results in a focusing of the results in a focusing of the light into a ring.light into a ring.

Pictures of The MoonPictures of The Moon

ResourcesResources StarChild Moon Page - from NASA: StarChild Moon Page - from NASA:

http://starchild.gsfc.nasa.gov/docs/StarChildhttp://starchild.gsfc.nasa.gov/docs/StarChild/solar_system_level1/moon.html/solar_system_level1/moon.html

The Moon: The Moon: http://www.solarviews.com/eng/moon.http://www.solarviews.com/eng/moon.htmhtm

Phases of the Moon - from Phases of the Moon - from ThinkQuest: ThinkQuest: http://tqjunior.thinkquest.org/3645/phhttp://tqjunior.thinkquest.org/3645/phases_moon.htmlases_moon.html

Moon's river: Moon's river: http://whyfiles.org/060moons/index.hthttp://whyfiles.org/060moons/index.htmlml