The Hubble Space Telescope Part 4

Free space screensaver containing 21 of the top 100 Hubble Telescope images A free screensaver that displays 21 high quality images taken by the Hubble Space Telescope. The Hubble Space Telescope (HST) is a telescope in orbit around the Earth, named after astronomer Edwin Hubble.

Its position outside the Earth's atmosphere provides significant advantages over ground-based telescopes - images are not blurred by the atmosphere, there is no background from light scattered by the air, and the Hubble can observe ultra-violet light that is normally absorbed by the ozone layer in observations made from Earth.