Minimize Overview
The measurement of change in the ozone layer is today operationally possible at a high temporal and spatial resolution in near real-time allowing ongoing updates of the effects of pollution.

Minimize Ozone

Earth's magnetosphere behaves like a sieve

24 October 2012

Web Content Image

ESA's quartet of satellites studying Earth's magnetosphere, Cluster, has discovered that our protective magnetic bubble lets the solar wind in under a wider range of conditions than previously believed.

Earth's magnetic field is our planet's first line of defence against the bombardment of the solar wind. This stream of plasma is launched by the Sun and travels across the Solar System, carrying its own magnetic field with it.

Depending on how the solar wind's interplanetary magnetic field - IMF - is aligned with Earth's magnetic field, different phenomena can arise in Earth's immediate environment.

Read more