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The Moon is an astronomical body that orbits planet Earth, and is Earth's only permanent natural satellite. It is the fifth-largest natural satellite in the Solar System, and the largest among planetary satellites relative to the size of the planet that it orbits (its primary). The Moon is after Jupiter's satellite Io as the second-densest satellite in the Solar System among those whose densities are known.

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Blue Moon This Friday But What Does It Mean?

A blue moon isn't actually blue but is actually a full moon that's the 2nd to appear within a calendar month. The lunar cycle is 29.5 days and a month is between 28 and 31 days so the probability of a full lunar cycle occurring precisely during this timeframe is therefore not very high hence the idiom "once in a blue moon." Actual blue moons have been reported under special circumstances such as a volcanic eruption or a forest fire which release plumes of particles that rise into the atmosphere that scatter away red light and only allow blue light through the dust cloud.

Contributed by Sam Feldstone

Colored Carolina Moon

Spectacular image of a large full moon in Northampton county, North Carolina- the color comes from smoke in the atmosphere; taken by Ken Christison

Contributed by Sam Feldstone

Time Lapse

This is a time lapse of the moon traveling through the night sky

Contributed by Katie Otradovec

The Moon

The moon over the city sky

Contributed by Ryann Burnett

The 6 American flags that were placed on the Moon has been completely bleached (and very likely destroyed) by a combination of extreme heat, cold, and unfiltered radiation.

Contributed by Taylor Jackson

Lunar Eclipse!

Whats going on above those sad cloudy days!

Contributed by Josh Milligan

Earth from the Moon!

If you look closly there's a little space man on the moon.

Contributed by Josh Milligan

What an opportunity!!!

Cant even imagine whats going on in his head right now!

Contributed by Josh Milligan

Amazing moon eclipse from space!!

Wow! I cant wait unitl I go to space! Anythings possible!

Contributed by Josh Milligan

Such a small beautiful piece of the universe!

Had no idea the moon was so beautiful!

Contributed by Josh Milligan

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