Episode 19 - Bigger is better   Bigger is better     5 September 2008   In their quest for ever-fainter objects and finer detail, astronomers have always demanded bigger telescopes. Scientific vision, technical nerve and personal perseverance led to the giant observatories of the early 20th century. Play now | Download   Located on remote peaks and protected beneath majestic domes, these awe-inspiring instruments have revealed an expanding and evolving Universe, populated by a stunning variety of galaxies and nuclear powered stars that produced the elements in our bodies. A few decades ago the five metre Hale Telescope on Palomar Mountain seemed to be the ultimate telescope. But was it?     Related Links  •  Hubblecast archive (http://www.spacetelescope.org/videos/hubblecast.html)  •  Subscribe to Hubblecast (http://www.spacetelescope.org/rss/vodcast.xml)  •  Subscribe to Hubblecast HD (http://www.spacetelescope.org/rss/vodcasthd.xml)  •  Subscribe to Hubblecast Full HD (http://www.spacetelescope.org/rss/vodcastfullhd.xml) Related links  •  Episodes 11-20 (http://www.esa.int/SPECIALS/ESApod/SEM3EC3MDAF_0_ov.html)