Solar Orbiter, stamps and exoplanets

The Sun, stamps and exoplanets in this edition. ESA's senior science advisor Mark McCaughrean reflects on the emotional launch of Solar Orbiter, Nobel Prize winner Didier Queloz talks CHEOPS as the telescope prepares to start studying planets outside our Solar System, and Stuart Clark reveals his role in the UK's recently released Visions of the Universe space stamps. Like this podcast? Please help us by supporting the Naked Scientists