What is solar weather and why should we care?

Professor Louise Harra, Head of the Solar Physics Group at the Mullard Space Science Laboratory (MSSL) explains. Read more in ‘Weathering the solar storm’ – the latest in our online feature series, UCL Antenna: http://bit.ly/space-weather Photo: A coronal mass ejection captured on 31 August 2012 by the Solar Dynamics Observatory. Credit: NASA