This image may not be used by or to promote the arms, nuclear power or tobacco industries or any religious organisation, or in any discriminatory way,

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This image may not be used by or to promote the arms, nuclear power or tobacco industries or any religious organisation, or in any discriminatory way, or to imply the endorsement by ESO of any product, service or activity Night sky over SEST. Constellation of Orion (The Hunter) in the night sky over the Swedish-ESO Submillimetre Telescope (SEST) at the (European Southern Observatory's (ESO) La Silla Observatory, Chile. SEST was built in 1987 and designed to observe at sub-millimetric wavelengths. It was decommissioned in 2003.

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Photo credit: © EUROPEAN SOUTHERN OBSERVATORY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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