This is Global Astronomy Month

Mike Simmons is president of Astronomers Without Borders. He returns to Planetary Radio to tell us how we can be part of this new month-long celebration. Emily Lakdawalla gains a new title and views her choice for a Martian close-up. Bill Nye learns there may be ten times as many galaxies as thought. What's your new mnemonic for Saturn's rings! Tell Mat and Bruce and win a Planetary Radio t-shirt.

Related Links:

• Global Astronomy Month
• Mars Exploration Rover Update
• Reserve free seats for Planetary Radio Live on April 30