My field is Astrobiology: the search for another type of life beyond Earth. The greatest innovation in this field is the rocket. It has taken our instrument to explore other worlds. The rocket has taken humans to the Moon and some day it will take us to Mars.
Christopher P Mckay is a planetary scientist at the Space Science Division at NASA Ames Research Centre and investigator for the Huygens probe on the surface of Saturn’s moon Titan, the Phoenix mission to Mars and the Mars Science Laboratory.