Links for our Science Co-Op

Here's a website that allows you to compare the sizes of the planets by using pull-down menus to compare

Planet Size Comparison

And here's another that's pretty cool:

The Size of Our World

And finally, a Star Size Comparison -- with the same music -- but a different perspective:

The talking babies get it!

h/t to the Wolf Files, a blog written by a doctor who happens to be Obama's second cousin.