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Why Did NASA Crash A Satellite Into Mercury?


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Added by Admin in NASA


NASA sends spacecrafts to planets all the time. Why do they spend the money to do so if they're just going to crash them into the planet?

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Spacecraft Set for Death Plunge Into Mercury
"The MESSENGER spacecraft -- which stands for MErcury Surface, Space ENvironment, GEochemistry, and Ranging -- will end its run and dive into Mercury at 3:26:02 p.m. ET today, the U.S. space agency said."

MESSENGER: Spacecraft and Instruments
"MESSENGER's dual-mode, liquid chemical propulsion system is integrated into the spacecraft's structure to make economical use of mass. The structure is primarily composed of a graphite epoxy material. This composite structure provides the strength necessary to survive launch while offering lower mass. Two large solar panels, supplemented with a nickel-hydrogen battery, provide MESSENGER's power."

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