A tiny space pebble just put a huge dent in an ESA satellite
 

The European Space Agency's Copernicus Sentinel-1A satellite has new 40cm dent on one of its solar wings -- and it was caused by a tiny millimetre-size piece of space debris. The impact was discovered with the Sentinal-1A reported a slight power redu...

https://www.engadget.com/2016/09/03/...esa-satellite/