We're putting more and more satellites into orbit, and along with all the welcome technological and scientific advances that brings, there are also potential problems.
A growing number of satellites are causing light pollution and potential radio wave interference, so astronomers are hellbent on finding a fix to protect the night skies.
EarthSky | How satellites harm astronomy: what s being done earthsky.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from earthsky.org Daily Mail and Mail on Sunday newspapers.