Space Boffins Sue Nelson and Richard Hollingham celebrate the drama of the Spirit and Opportunity rover missions with NASA rover engineer Doug Ellison and JPL research scientist Abigail Fraeman from the film Goodnight Oppy. Recalling how the robots developed personalities, they talk about the mission's highs and lows. We also hear about the new SWOT mission to measure the Earth's water, and talk space books for kids with Raman Prinjah and Sheila Kanani. Like this podcast? Please help us by supporting the Naked Scientists