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MUSE Offers 3-D View of Distant Galaxies

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CERRO PARANAL, Chile, March 6, 2014 — Far-away galaxies and bright stars could feel closer than ever, thanks to a new astronomical instrument that is a decade in the making. The Multi-Unit Spectroscopic Explorer (MUSE), developed by a consortium of research organizations in France, Germany, the Netherlands and Switzerland, combines the discovery potential of an imaging device with the measuring capabilities of a spectrograph. Component views of the Orion Nebula, as captured by MUSE. Images courtesy of European Southern Observatory. It has been installed on the European Southern Observatory’s Very Large...Read full article

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    Published: March 2014
    Glossary
    spectrograph
    An optical instrument for forming the spectrum of a light source and recording it on a film. The dispersing medium may be a prism or a diffraction grating. A concave grating requires no other means to form a sharp image of the slit on the film, but a plane grating or a prism requires auxiliary lenses or concave mirrors to act as image-forming means in addition to the dispersing element. Refracting prisms can be used only in parallel light, so a collimating lens is required before the prism and...
    AmericasBasic ScienceChileEuropeFrancegalaxyGermanyImagingMilky WayNetherlandsOpticsParanal ObservatoryResearch & TechnologyspectrographspectroscopystarsSwitzerlanduniverseMulti-Unit Spectroscopic ExplorerMUSELyon Centre for Astrophysics Research

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