The latest news about astronomy, space and the NASA/ESA Hubble Space Telescope presented in High Definition is only for devices that play High Definition video (not iPhone or iPod). To watch the Hubblecast on your iPod and/or iPhone, please download the Standard Definition version also available on iTunes.
December 17th, 2013
Episode 19 of 54 episodes
This episode of the Hubblecast explores striking new Hubble observations of a variable star known as RS Puppis. This star is growing brighter and dimmer as it pulsates over a period of five weeks. These pulsations have created a stunning example of a phenomenon known as a light echo, where light appears to reverberate through the foggy environment around the star.
Welcome to the Brain Training Podcast, the daily audio workout for your head. In this podcast we have two games for you, each with three rounds which get progressively harder. To enjoy the full experience, relax, and avoid distractions whilst you listen.