Week 12 (Mar 19 - Mar 25)

The 7 days of 365 Days of Astronomy for week 12 2009. This week the shows include: * Mar 19: Living with a Star: Space Weather and Its Effects by Carolyn Collins Petersen. * Mar 20: The Tradition of Looking Up by The National Park Service. * Mar 21: The March Equinox: All Latitudes are Illuminated by Judith Young. * Mar 22: Star Formation by Robert Simpson of Orbiting Frog. * Mar 23: Venus Moves From the Evening Sky to the Morning Sky by David Chapman. * Mar 24: Ptolemaic Cosmology - The Universe Before Copernicus by Nik Whitehead. * Mar 25: Selenography - Naming and Mapping the Moon by Mark Tillotson.