EPOXI

Two intriguing investigations -- One flight-proven spacecraft

Dr. Tim Livengood mashes up some dry ice for use in a comet-making demo.

Dr. Jeff Goldstein prepares to mix up a homemade comet.

Attendees at a recent FSN get to explore the National Air & Space Museum after hours.

Dr. Jeff Goldstein demonstrates the Earth's rotation as he also spins stories about space science.