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Summary
| Description |
English: This striking picture of the New Technology Telescope (NTT) was taken just after sunset at ESO's La Silla Observatory, located in the Norte Chico in outskirts of the Chilean Atacama Desert. The Moon has already begun its journey across the evening sky, and is shining brightly overhead. The Sun dips below the horizon to the left of the frame, soaking the clouds in a rich orange colour.
The warm glow of the last rays of sunshine are caught by the reflective surface of the NTT walls. The purpose of this metallic dome is to stop the telescope’s enclosure from heating up during the day. This would affect the telescope’s observations, as rising warm air and turbulence blur images and worsen the astronomical seeing. It is not just the telescope's enclosure that is designed to reduce heat accumulation during the day; the concrete platforms and parking spaces around the site are all painted white to increase the amount of light reflected from their surface. |
| Date | |
| Source | http://www.eso.org/public/images/potw1538a/ |
| Author | ESO/B. Tafreshi (twanight.org) |
Licensing
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This media was created by the European Southern Observatory (ESO).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public ESO website, along with the texts of press releases, announcements, pictures of the week, blog posts and captions, are licensed under a Creative Commons Attribution 4.0 International License, and may on a non-exclusive basis be reproduced without fee provided the credit is clear and visible." To the uploader: You must provide a link (URL) to the original file and the authorship information if available. |
  This file is licensed under the Creative Commons Attribution 4.0 International license.
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File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:29, 10 August 2019 | | 7,506 × 7,506 (8.07 MB) | BevinKacon | actual size from ESO original source |
| 09:16, 21 September 2015 |  | 1,280 × 1,280 (206 KB) | Jmencisom | User created page with UploadWizard |
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