Exploring Mars
Stars are full of variety - they can be big or little, bright or dim. Our sun is right in the middle - Mr Average - but eventually it will grow old and become a red giant. Lucie Green and Chris Lintott discuss the lives of stars and what is a golden era of exploration on Mars, with Nasa's space rover Curiosity finding out new and exciting things about the planet and which might offer the best chance of life elsewhere in our solar system.
The spacecraft Mars Express is also celebrating a decade at the red planet and Chris Lintott and Lucie Green pick out some of the highlights, including the 'face of Mars'.
Meanwhile Jon Culshaw explores the Moore Moon Marathon with astronomers in Chipping Norton.
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