NASA set to revisit Mercury
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“The US space agency is set to launch a spacecraft to Mercury on 2 August, its first visit to the planet in 30 years. The plan is to put the probe in an orbit around the heavy-metal planet to map its entire surface, study its geology and look for frozen water. The Messenger spacecraft will make a seven-year journey that loops around Earth and Venus to get to Mercury. The last Nasa craft sent to the planet was Mariner 10 which sailed past the world three times in 1974 and 1975.”
