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Learn About The Moons of Our Solar System
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All Moons

Make-A-Solar System




 
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The Earth's Moon

Earth's Moon Luna

Luna is a beautiful world that lies some 384,400 kilometers from Earth. It is littered with mountains, valleys, old volcano sites, and many bowl like holes called Craters. Luna is a neat world to explore because you can see it without any telescope, or binoculars. I know you have seen it, in fact you may even see it tonight that is because Luna is our moon.





As you observe the moon from your back yard you will probably notice right away that some areas are darker than others. This is because long ago there were many comets and asteroids, many more than today, which frequently hit the worlds of our Solar System. Every once in a while a very large object would crash hard enough into the Moon to break through its surface rock causing lava to ooze out. When you see a dark spot you are looking at an ancient bed of lava rock from one of these impacts. If a large object struck the Moon today It would not cause a volcano however, this is because the core of the Moon has almost completely cooled down, meaning that there is not any lava in the core to ooze out it is solid rock through and through.

Many scientists consider the Earth, and Luna, or Moon a double planet system. This is because they are so close in size.

In a photograph of the Moon you can see large scars called craters. Craters are caused by collisions between the Moon, and other objects such as asteroids, or comets.