Cluster Sees Earth's Bow Shock Crumple and Reform

[Fraser]

ESA's Cluster spacecraft were at the right place at the right time to encounter a very special event: the Earth's bow shock - a wave that forms where the solar wind buffets the magnetosphere - breaking and reforming. ...

Read the full blog entry (http://www.universetoday.com/2007/05/14/cluster-sees-earths-bow-shock-crumple-and-reform/)

[Jerry]

Fluctuations - 'breaking, collapsing and reforming" electromagnetic waves will emit radiation. What is the expected spectral distribution of EMF given the delta V of the solar wind and the mean period of the waves?

[Nick4]

Is this a real pic or a computer renderd one?