On 7 January 2014, the Sun's surface erupted with an unusually large explosion, called coronal mass ejection (CME), with NOAA releasing a significant false alarm geomagnetic storm at Earth. Credit: Dr Neel Savani / Imperial College London

Dr Richard Ghail and Dr Philippa Mason make the case for further exploration of Venus and outline their plans for a new mission. (Extract 3 of 4 from the Imperial College Podcast 3 December 2014)

Could you explain the long and complicated story of our universe using only the most common thousand words in the English language? In his first book 'The Edge of the Sky Dr Roberto Trotta does exactly that.