La Silla Celebrates 40th Anniversary

RedOrbit ^ | Tuesday, March 24, 2009 | unattributed

[SunkenCiv]

ESO's La Silla Observatory, which is celebrating its 40th anniversary, became the largest astronomical observatory of its time. It led Europe to the frontline of astronomical research, and is still one of the most scientifically productive in ground-based astronomy... La Silla has led to an enormous number of scientific discoveries, including several "firsts". The HARPS spectrograph is the world's foremost exoplanet hunter. It detected the system around Gliese 581, which contains what may be the first known rocky planet in a habitable zone, outside the Solar System... The La Silla Observatory is located at the edge of the Chilean Atacama Desert, one of the driest and loneliest areas of the world. Like other observatories in this geographical area, La Silla is located far from sources of polluting light and, as the Paranal Observatory that houses the Very Large Telescope, it has one of the darkest and clearest night skies on the Earth. At its peak, La Silla was home to no fewer than 15 telescopes, among them the first -- and, for a very long time, the only -- telescope working in submillimetric waves (the 15-metre SEST) in the southern hemisphere, which paved the way for APEX and ALMA, and the 1-metre Schmidt telescope, which completed the first photographic mapping of the southern sky. The telescopes at La Silla have also supported countless space missions, e.g., by obtaining the last images of comet Shoemaker Levy 9 before it crashed into Jupiter, thereby helping predicting the exact moment when the Galileo spacecraft should observe to capture images of the cosmic collision.

[SunkenCiv]

Image Courtesy ESO/C.Madsen

[SunkenCiv]

"supported countless space missions, e.g., by obtaining the last images of comet Shoemaker Levy 9 before it crashed into Jupiter, thereby helping predicting the exact moment when the Galileo spacecraft should observe to capture images of the cosmic collision."

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[SunkenCiv]

"The HARPS spectrograph is the world's foremost exoplanet hunter. It detected the system around Gliese 581, which contains what may be the first known rocky planet in a habitable zone, outside the Solar System."

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