Universe & space

Launch of Phoenix

4 August 2007

Phoenix was a NASA robotic spacecraft that landed in the northern polar region of Mars and studied the planet's ice and soil. It was part of the Mars Scout programme and was led from the University of Arizona. The lander touched down in May 2008 on the northern plains, after a launch from Cape Canaveral on a Delta II rocket, and used a robotic arm to dig trenches and collect samples. It confirmed the presence of water ice under the surface, as earlier orbiters had suggested, and detected perchlorate salts in the soil. It also observed snow falling from clouds. The mission operated for several months, ending as the Martian winter's darkness and cold cut off its solar power.

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