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English: There’s more going on in this picture than you might think. This image shows Gemini North, located on Maunakea in Hawai‘i. Gemini North is one half of the International Gemini Observatory, a Program of NSF’s NOIRLab.
To the lower left of Gemini is a red glowing light source. This is from the eruption of the Halemaʻumaʻu crater of the Kīlauea volcano, ongoing since late September 2021. Further lower left of Gemini is the faint green light of Hilo, Hawai‘i, mostly hidden by the layer of clouds that often covers the ground as seen from Maunakea. This is a form of light pollution, caused by excessive light shining up into the night sky above. However, protected by the high altitude, Gemini North is frequently shielded by a thick blanket of cloud. This barrier obscures urban light pollution and ambient natural light coming from the island and ocean below. This photo was taken as part of the recent NOIRLab 2022 Photo Expedition to all the NOIRLab sites.Español: En esta imagen hay más cosas de las que crees. Primero, se ve a Gemini Norte (situado en Maunakea, Hawai‘i), una mitad del Observatorio Gemini, un Programa de NOIRLab.
Por encima y a la derecha de Gemini Norte se puede ver un resplandor naranja en el cielo. Éste viene del cráter Halemaʻumaʻu del volcán Kīlauea, que entró en erupción a fines de septiembre de 2021. En la parte inferior izquierda de Gemini se puede ver la tenue luz roja de Hilo, en Hawai‘i, oculta por una capa de nubes que suele cubrir el suelo si miras desde Maunakea. Esta es una forma de contaminación lumínica, causada por el exceso de luz que brilla con dirección al cielo nocturno. Sin embargo, gracias a su gran altitud, Gemini Norte suele estar protegido por un grueso manto de nubes, una barrera que oculta la contaminación lumínica urbana y la luz natural ambiental que vienen de la isla y del océano. Esta fotografía fue tomada como parte de la reciente Expedición Fotográfica de NOIRLab 2022 a todos los sitios de NOIRLab. |
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| Source | https://noirlab.edu/public/images/iotw2227a/ |
| Author | International Gemini Observatory/NOIRLab/NSF/AURA/P. Horálek (Institute of Physics in Opava) |
Licensing
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This media was created by the National Optical-Infrared Astronomy Research Laboratory (NOIRLab).
Their website states: "Unless specifically noted, the images, videos, and music distributed on the public NOIRLab website, along with the texts of press releases, announcements, images of the week 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
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 19:44, 22 June 2023 | | 20,736 × 8,549 (31.79 MB) | C messier | full size |
| 16:09, 13 December 2022 |  | 1,280 × 528 (146 KB) | Pandreve | Uploaded a work by International Gemini Observatory/NOIRLab/NSF/AURA/P. Horálek (Institute of Physics in Opava) from https://noirlab.edu/public/images/iotw2227a/ with UploadWizard |
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