Minimize Proba-1 News

Proba-1 charting Earth's radiation belts for a decade

07 November 2011

Web Content Image

ESA's Proba-1 recently celebrated its tenth birthday in orbit. Kept busy as an Earth-observing mission, the microsatellite has also been building a detailed picture of changes in our planet’s radiation belts.

Smaller than a cubic metre, the technology-testing Proba-1 was launched on 22 October 2001. Among the payloads was ESA’s SREM standard radiation environment monitor, which was turned on a week later.

Read more