Planetary Radio • May 19, 2008
Countdown to Touchdown on Mars
On This Episode
![20121001 smith peter](https://planetary.s3.amazonaws.com/web/assets/pictures/_576x576_crop_center-center_60_line/20121001_smith_peter.jpg)
Peter Smith
Principal Investigator for Phoenix for University of Arizona
![](https://planetary.s3.amazonaws.com/web/assets/pictures/_576x576_crop_center-center_82_line/PIA10969.jpg)
Edward Weiler
Associate Administrator for NASA
![](https://planetary.s3.amazonaws.com/web/assets/pictures/_576x576_crop_center-center_82_line/PIA10969.jpg)
Barry Goldstein
Project Manager for Phoenix mission
We begin special coverage of the Phoenix mission, landing in the Martian Arctic Circle on May 25. A media briefing featured Principal Investigator Peter Smith, Project Manager Barry Goldstein, NASA Associate Administrator Ed Weiler, and others. Emily Lakdawalla gets you started as planetary scientists in this week's Q&A contribution. Bruce Betts and Mat Kaplan are also rising from the ashes in the lead-up to Phoenix, with a look at the night sky and a new space trivia contest.