Planetary Radio • Apr 25, 2005

Mars Express Finds a Frozen Sea

On This Episode

Professor Gerhard Neukum is Principal Investigator for the High Resolution Stereo Camera aboard the European Space Agency's Mars Express orbiter. That camera has uncovered strong evidence of a frozen body of water the size of the North Sea. You'll hear about this and other discoveries. Emily Lakdawalla answers a question about the Earth's magnetic field. Bruce Betts gives away the first of our new Solar Sail posters on What's Up! All this, and space headlines.