In this new Hubblecast Special episode, Dr. J guides us through the seventh chapter of Eyes on the Skies, the International Astronomical Union's movie celebrating the telescope's 400th anniversary in 2009.

The telescope has been mankind's window on the Universe for four hundred years. It has provided scientists with unprecedented views of planets, stars and galaxies from our cosmic doorstep to the very depths of space and time. But despite their incredible performance, even the newest and most powerful telescopes leave room for improvement. Astronomers always want to venture beyond their current horizons. In this final chapter we take a look at things to come — the revolutionary ground-based telescopes and space observatories of the future. One thing is certain: there is much left to discover.

This episode is available for download in various formats on: spacetelescope.org/videos/hubblecast25a/

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