View Full Version : Podcast: Lunar Phases

2011-Oct-12, 01:50 PM
The Moon is a stark reminder that we actually live in a Universe filled with stars and planets and moons. The changing phases of the Moon show us the relative positions of the Earth, the Sun and the Moon as they interact with one another. Letís learn about the different phases, the geometry of the [...]

More... (http://www.universetoday.com/89800/podcast-lunar-phases/)