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, April 13, 2012

Andromeda galaxy

The Andromeda galaxy is 2.6 lightyears away. It is also known as Messier 31, NGC 454, PGC 2556 or NGC 224. It is also is a Nebula. It is the nearest Spiral Galaxy, however not closest Galaxy.
The largest galaxy near us
Triangulum galaxy and 30 smaller galaxiesMilky Way contains most dark matter out of these galaxy
The Spitzer Telescope found these galaxies.

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