Friday 9th April 2021 at 7.30pm on Zoom,Hipparcos and Gaia: space astrometry — unravelling the formation and evolution of our Galaxy
Dr Michael Perryman Image credit: ESA–D. Ducros, 2013 The Hipparcos satellite project of the European Space Agency was dedicated to measuring the accurate positions of more than 100,000 stars. Doing so from space represented a fundamentally new discipline in space science. With the publication of the scientific results from the Hipparcos mission in 1997, ESA […]