Geraint Jones

Prof. Geraint Jones is head of the Planetary Science Group at University College London’s Mullard Space Science Laboratory. Following a first degree and PhD in Astronomy at UCL, he has worked at Imperial College London, NASA’s Jet Propulsion Laboratory, and the Max Planck Institute for Solar System Research in Germany. Geraint is a member of the instrument teams on the Cassini Saturn mission, the ExoMars Rosalind Franklin rover, Solar Orbiter, the JUICE mission to Jupiter, and now leads the ESA Comet Interceptor mission team. He is enthusiastic about the communication of science, and is responsible for the scientific webcomic

The Comet Interceptor Mission
Saturday 1st February 2020: Session Four

In 2019, the European Space Agency selected its latest planetary mission: the three-spacecraft Comet Interceptor. The project’s primary goal after launch in 2028 is to characterise, for the first time, a long-period comet, preferably approaching the Sun for the first time. This will provide valuable data to complement information gathered by all previous comet missions, which have only been able to study comets altered by passing numerous times past the Sun. We’ll explore the challenges of planning a mission to an unknown target, and the exciting measurements that the mission team plan to make. The mission website is at

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