Cluster

Listen Up: Earth Speaking



Credit: ESA

Cluster Constellation

ESA's mission Cluster consists of four identical spacecraft flying in formation between 19,000 and 119,000 km above the Earth. They study the interaction between the solar wind and Earth's magnetosphere, or the Sun-Earth connection in 3-D.


Listening to the AKR radio

I seriously doubt that Cluster will pick up the celebration of 4th July tonight. So you go right ahead and party, America. It won't even be noise on Clusters Auroral Kilometric Radiation (AKR) instrument!