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The Very Large Telescope array (VLT) is the flagship facility for European ground-based astronomy at the beginning of the third Millennium. It is the world's most advanced optical instrument, consisting of four Unit Telescopes with main mirrors of 8.2m diameter and four movable 1.8m diameter Auxiliary Telescopes.
ESO - VLT
Ciel et Espace
Le télescope américain Gemini Sud livre ses premières images en couleurs réalisées avec un système optique unique, capable de compenser les turbulences atmosphériques sur un champ large.HubbleSite
The Webb Space Telescope, Hubble's successor, will see in infrared, the light emitted by the farthest objects we can detect. Learn about Webb, its technology, and the science it will reveal.
A scientist at NASA's Jet Propulsion Laboratory in Pasadena, Calif., has accurately determined the mass of a nearby asteroid from millions of miles away.
NASA Jet Propulsion Laboratory