Has the Sun gone to sleep?
17 January 2014 Last updated at 05:57 GMT
Scientists are saying that the Sun is in a phase of “solar lull” – meaning that it has fallen asleep – and it is baffling them.
History suggests that periods of unusual “solar lull” coincide with bitterly cold winters.
BBC (television) Newsnight trailer. Seem to have covered this before so I wonder what they will show this time?
Post by Tim