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European Southern Observatory (ESO) articles

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ALMA reveals inner web of stellar nursery

ALMA reveals inner web of stellar nursery
Data from the Atacama Large Millimeter/submillimeter Array (ALMA) and other telescopes have been used to create this stunning image showing a web of filaments in the Orion Nebula. These features appear red-hot and fiery in this dramatic picture, but in reality are so cold that astronomers must use telescopes like ALMA to observe them. This spectacular and unusual image shows part of the famous Orion Nebula, a star formation region lying about 1350 light-years from Earth.
7th March 2018

ESO telescopes observe first light from gravitational wave source

ESO telescopes observe first light from gravitational wave source
For the first time ever, astronomers have observed both gravitational waves and light (electromagnetic radiation) from the same event, thanks to a global collaborative effort and the quick reactions of both ESO's facilities and others around the world. On 17 August 2017 the NSF 's Laser Interferometer Gravitational-Wave Observatory (LIGO) in the United States, working with the Virgo Interferometer in Italy, detected gravitational waves passing the Earth.
17th October 2017


Adaptive optics facility improves sharpness of MUSE images

Adaptive optics facility improves sharpness of MUSE images
The Unit Telescope 4 (Yepun) of ESO’s Very Large Telescope (VLT) has now been transformed into a fully adaptive telescope. After more than a decade of planning, construction and testing, the new Adaptive Optics Facility (AOF) has seen first light with the instrument MUSE, capturing amazingly sharp views of planetary nebulae and galaxies. The coupling of the AOF and MUSE forms one of the most advanced and powerful technological systems ever built for ground-based astronomy.
15th August 2017


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