<p>A pioneer mission in astrometry – the measurement of the position, distance, motion, brightness, and color of stars – the European Space Agency’s (ESA) High Precision Parallax Collecting Satellite, or Hipparcos, launched on Aug. 8, 1989. There were immediately problems when a rocket-engine failure kept Hipparcos from reaching its planned orbit. However, the satellite was<a class="more-link" href="https://www.astronomy.com/today-in-the-history-of-astronomy/aug-8-1989-the-hipparcos-satellite-launches/">Continue reading <span class="screen-reader-text">"Aug. 8, 1989: The Hipparcos satellite launches"</span></a></p>
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A pioneer mission in astrometry – the measurement of the position, distance, motion, brightness, and color of stars – the European Space Agency’s (ESA) High Precision Parallax Collecting Satellite, or Hipparcos, launched on Aug. 8, 1989. There were immediately problems when a rocket-engine failure kept Hipparcos from reaching its planned orbit. However, the satellite wasContinue reading “Aug. 8, 1989: The Hipparcos satellite launches”
The post Aug. 8, 1989: The Hipparcos satellite launches appeared first on Astronomy Magazine.