Week 63 (Mar 11 - Mar 17)

This week the shows include: Mar 11: Go on a Spacewalk with Astronaut Chris Hadfield by Nancy Atkinson; Mar 12: The Hunt for Vulcanoids by Bob Hirshon, AAAS; Mar 13: I "Heart" Hartley 2! by Elizabeth Warner; Mar 14: A Guide to the Stars and Planets by Carolyn Collins Petersen; Mar 15: Julius Caesar and Calendar Reform by Zachary Kessin and Julia Smith; Mar 16: Scouting Merit Badge by Damian Handzy; Mar 17: Why Do the Planets Stay in Orbit? by Stuart Clark.