Use spectral knowledge to make discoveries on a distant moon. Small groups gather information from images of one of Saturn's moons. The moon orbits within the E-ring made up of mainly water ice. Using information about the composition of...

Human bodies prove evolution thanks to our genes, bones, and more. Learning about specific body parts and how they evolved from other species helps individuals better understand the transition species that helped us become who we are today.

Charon, the largest of Pluto's moons, was discovered in 1978. Lesson is a walk through of how to solve for the phases of Charon. It uses two different points on Pluto and takes into account the tilt of the pole, the rotational axis, and...