This Sunday will see one of the most dramatic events in the history of space exploration. On August 5, 2012 at 10:31 PM PDT (August 6, 05:31 GMT), the nuclear-powered science rover Curiosity will reach Mars It will involve one of the most complex, most daring landings ever attempted. Ironically, it may end in one of two ways - a triumph for the men and women of NASA as the Curiosity lander sends back its first signals from the red planet or utter silence. And the key to this is a heat shield that is so new to the field of planetary exploration that it is an experiment in itself.
Read the full article: Mars lander Curiosity protected by largest ever heat shield