The Virtual Amateur Astronomer(R) at  

http://www.jupiterscientific.org/virtualastronomer/

brings you an amazing tour of the solar system, the Milky Way 
and the Universe through some of the finest images available 
on the Internet.

Maybe one can search for extra-terrestrial life in the photos?!

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Jupiter Scientific -- dedicated to the promotion of science 
and scientific education through books, the internet, 
and other means of communication
http://www.jupiterscientific.org