Hubblecast 06: A battle of giants - telescopes in space and 

Have you ever wondered why some telescopes are launched into space while others are built on remote mountain tops? What is actually the best for astronomy? Here we provide a ringside view of the fight for the elusive photons from deep space - is it a battle of the telescope giants?
Hubblecast is a free service produces by the ESA/Hubble at the European Southern Observatory in Germany.
www.spacetelesc...