Hipparchus satellite
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noun
an astronometric satellite launched in 1989 by the European Space Agency that measured the position, proper motion, and brightness of 118 218 stars down to 12th magnitude and the magnitude and colour of a million stars down to 10th magnitude
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Word Origin for Hipparchus satellite
after Hipparchus, Greek astronomer (2nd century bc
Words nearby Hipparchus satellite
hip joint, hiplength, hipp-, hipparch, Hipparchus, Hipparchus satellite, hippeastrum, hipped, hipped roof, Hippias, hippie
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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