European Southern Observatory (ESO)

This collection contains high quality images and video produced by the European Southern Observatory (ESO) to illustrate galaxies, nebulae, astronomy and cosmology. The ESO is the foremost intergovernmental astronomy organisation in Europe and the world's most productive astronomical observatory. ESO provides state-of-the-art research facilities to astronomers and is supported by Austria, Belgium, Brazil, the Czech Republic, Denmark, Finland, France, Germany, Italy, the Netherlands, Portugal, Spain, Sweden, Switzerland and the United Kingdom.


Atacama Pathfinder Experiment Telescope (APEX)

Produced by the European Southern Observatory (ESO), this video first looks at the Big Bang and evolution of the Universe. It then goes on to show how the ESO are developing an observatory in Chile. The APEX programme is a pathfinder for ALMA, the Atacama Large Millimetre/submillimetre Array. This mission will...

Measuring Distances in the Universe

These activities are produced by the European Southern Observatory (ESO) and the European Space Agency. They are a series of excercises in which students use real data to measure astronomical distances, one of the most basic problems in modern astrophysics.

The students apply different methods to determine...

ESO la Silla Observatory

Produced by the European Southern Observatory (ESO), this short video shows the observatory and work done at La Silla, Chile.

ESO’s La Silla Observatory celebrated its 40th anniversary in 2009. When it began operations, it was the largest astronomical observatory of its time, and it is still one of the...


Produced by the European Southern Observatory, this collection contains spectacular images of galaxies. Images include:
* Spiral galaxy NGC 1232, based on three exposures in ultra-violet, blue and red light, respectively.
* Central parts of the starburst galaxy NGC 1313. The very active state of this...


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