Thursday, September 17, 2009

Solar System, Milky Way & the Universe

1. What is a galaxy: where are we in the Milky-way galaxy:

2. Milkyway in 3D:

3.Our galaxy vis-a-vis the nearest galaxy (Andromeda galaxy):

4. How big is the Universe, and small are we?

Lastly, listen to the following sound that Nasa-Voyager recorded of Jupiter, and tell me whether it sounds very, very, very familiar.

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