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NASA’s Messenger Spacecraft to End Nearly 4 Years at Mercury’s Orbit
NASA‘s Mercury Surface, Space Environment, Geochemistry, and Ranging spacecraft has uncovered several key information about the planet Mercury during its nearly four years of on-orbit operations. NASA said Thursday the Messenger spacecraft is now anticipated to crash-land on Mercury by the end of the month as it runs out of helium gas propellant following a series of orbit correction maneuvers. “While spacecraft […] More