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ESA to Make 3D Map of Milky Way

The European Space Agency this week successfully launched the star-mapping satellite Gaia on a mission that will take it more than a million kilometers from Earth - to create the first three-dimensional (3D) map of our galaxy, the Milky Way. ​ The two-ton satellite, launched from the European Space Agency’s center in French Guiana aboard a Russian Soyuz rocket, reached the initial orbit and deployed a 10-meter circular sunshield to keep the instruments on-board, including a telescope,...

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