London scientist to probe Jupiter's icy moons

Prof Michele Dougherty is the principal investigator on the magnetometer instrument that will ride on the Jupiter Icy Moons Explorer. Juice, as it's known for short, is a European Space Agency mission. The Imperial College London researcher says her team will use the spacecraft to study the properties of the hidden oceans of water on the Jovian moons called Callisto, Ganymede and Europa.