News

New model could track solar storms 24 hours before reaching Earth

10 June 2015 Astronomy Now

Our Sun is a volatile star, producing giant clouds of solar particles called coronal mass ejections. Now scientists may finally have a tool to predict the magnetic configuration of a CME from afar, enabling forecasters to give utility grid and satellite operators a day’s advance warning to protect their systems.

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Aurora over Icelandic lake

9 April 2015 Astronomy Now

On 15th March, a coronal mass ejection from the Sun launched a torrent of charged particles in the direction of Earth. The gaseous cloud collided with our planet’s magnetic field two days later, generating this glorious, shimmering auroral curtain over Iceland photographed by Carlos Gauna.