Entries by Tony Symes

Friday 3rd April 2020 7.30 pm, Michael Perryman (ESA/Gaia Project Scientist 1995 – 2008) Hipparcos and Gaia – Space Astrometry: unravelling the formation and evolution of our galaxy

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 adopted the Gaia mission, a follow-on and vastly […]