February 11, 2004 - Focus

Lonely Planets: The Natural Philosophy of Alien Life

Guest: David Grinspoon.

Where do planetary science and philosophy intersect? In one fascinating field: the search for extraterrestrial life. Today on Focus, David Grinspoon speculates about the possibility of life on other planets and in other solar systems, how intelligent life may evolve both on our own planet and in the rest of the universe, and what the philosophical implications of these future discoveries may be.


January 13, 2004 - Focus

Sojourner: An Insider’s View of the Mars Pathfinder Mission

Guest: Andrew Mishkin.

Sojourner's diminutive size didn't stop it from captivating millions of people when it beamed back the first-ever photos from the red terrain of Mars. But the Pathfinder mission's story goes far back beyond that first contact. NASA engineer Andrew Mishkin joins us today on Focus to give us the details on the massive effort made by the world's best minds to land an artificial intelligence on the surface of Mars.


December 23, 2003 - Focus

Magnificent Mars

Guest: Ken Croswell.

Mars is one of the brightest and most beautiful planets—and it may also hold the key to the question of whether life exists elsewhere in the universe. Today on Focus we're joined by astronomer and writer Ken Croswell. His new book Magnificent Mars talks about the geology, topography, and atmosphere of the planet, as well as the spacecraft due to land on its surface within the next few weeks. What do we hope to learn from these latest missions to the Red Planet? This morning, Croswell will be answering that question—and more.


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