Science Education Standards: Life Science -- Content Standard C: The Interdependence of Organisms

• Evidence for one-celled forms of life -- the bacteria -- extends back more than 3.5 billion years. The evolution of life caused dramatic changes in the composition of the Earth's atmosphere, which did not originally contain oxygen.

Short Description: This activity explains how scientists used spectroscopy to detect methane on a Jupiter-sized planet that orbits close to its parent star.