Very Interesting Sites

I've started a list of links will take you to great sites with very informative videos, pictures and information related to space.

The links will open in a new window so you can easily find your way back to Light-Years.net.  Click on the title to go to the site.

The MegaPenny Project describes an excellent way to get a sense of really large number by describing the number in terms of pennies.  Like "how big would a block of 1 million pennies be?"  - Click here to visit the site.