National Aeronautics and Space Administrion

Since its inception in 1958, NASA has accomplished many great scientific and technological feats in air and space. NASA technology also has been adapted for many nonaerospace uses by the private sector. NASA remains a leading force in scientific research and in stimulating public interest in aerospace exploration, as well as science and technology in general. Perhaps more importantly, our exploration of space has taught us to view Earth, ourselves, and the universe in a new way. While the tremendous technical and scientific accomplishments of NASA demonstrate vividly that humans can achieve previously inconceivable feats, we also are humbled by the realization that Earth is just a tiny "blue marble" in the cosmos. Check out our "Thinking About NASA History" folder online as an introduction to how history can help you.

Friday, March 9, 2012

Moon

The moon is the only natural satellite that the Earth has. Its landscape has barely changed in over one million years. It's 240,000 miles from the earth. The diameter is only 2160 miles. It has ice from comet impacts.

The moon has 6% of the amount of gravity that the earth has. Soil is on the moon. It is called "regolith." This is a Greek term, which means unconsolidated, residual and transported material that overlays solid rock.

It's rotation varys, because of its oval orbit. It varys from 25-10,000 miles from Earth. By the year 2020 NASA as well as ESA (European Space Association), plan to have a base there.

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