Universe - size comparison

We live on a planet called Earth that is

part of our solar system. But where is our solar system? It's a small part of the Milky Way Galaxy. And our galaxy is just one of millions and millions.

Audio: Universe

Credit: NASA, ESA, H. Teplitz and M.

Rafelski (IPAC/Caltech), A. Koekemoer

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(STScI), R. Windhorst (Arizona State

University), and ZLevay (STScI), J.

Dalcanton (University of Washington,

USA), BFWilliams (University of

Washington, USA), L. C. Johnson

(University of Washington, USA), the

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PHAT team, S. Beckwith (STScI)the HUDF Team, NASA's Scientific

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Visualization Studio and R. Gendler