Introduction to Life in Our Solar System & Beyond

7intro
Photo courtesy of foxypar4/Flickr. CC BY.


Last week you reviewed what you have learned so far and took a test. We're almost done learning about space, but we have a few more topics to discuss. In this week you will learn about why life exists on Earth and the possibility of life on other planets.

Last modified: Wednesday, 5 October 2011, 8:21 AM