NASA's Dawn mission, Holst’s Planets and water on Mars

We look back on 100 years of Holst’s musical work The Planets and discuss the success of NASA’s Dawn mission at Ceres and Vesta. Plus, we speak to Roberto Orosei, an astronomer who led a recent study that found evidence of water on Mars. Hosted on Acast. See acast.com/privacy for more information. Learn more about your ad choices. Visit podcastchoices.com/adchoices