In 1989, the first space mission to understand positions, distances, motions, brightness and colors of stars was launched. Four years later, ESA's Hipparcos achieved its goals and ceased operations
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In 1989, the first space mission to understand positions, distances, motions, brightness and colors of stars was launched. Four years later, ESA's Hipparcos achieved its goals and ceased operations
Nimisham EditorialSenior Editorial Lead
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Source Attribution: View original report on Economic Times