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File:A Sky Aglow.jpg

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Description
English: The sky above Cerro Tololo Inter-American Observatory (CTIO), a Program of NSF’s NOIRLab, is aglow with color in this image. The bright region at the center of this image is the heart of the Milky Way galaxy, which lies approximately 26,000 light-years from Earth. As well as stars and dark dust lanes, our home galaxy’s heart contains a colossal black hole, roughly 4 million times as massive as the Sun. Though the heart of the Milky Way is a spectacular sight, the majority of the colors in this image arise much closer to home. As well as the tint of airglow around the horizon of the image, zodiacal light stretches from the horizon towards the center of the image. Zodiacal light — also called false dawn — is caused by sunlight reflecting from small particles in the Solar System’s interplanetary dust cloud. The combination of airglow, zodiacal light, and other atmospheric phenomena means that the night sky is never truly dark — even at professional observatories such as CTIO.
Date
Source https://noirlab.edu/public/images/iotw2144a/
Author CTIO/NOIRLab/NSF/AURA/B. Tafreshi

Licensing
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."
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inception

3 November 2021

media type

image/jpeg

checksum

c7e41ab9c70033d43e04ccf58ba597355e52d4c7

determination method or standard: SHA-1

data size

23,580,544 byte

height

9,466 pixel

width

8,638 pixel

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current16:58, 2 December 2021Thumbnail for version as of 16:58, 2 December 20218,638 × 9,466 (22.49 MB)PandreveUploaded a work by CTIO/NOIRLab/NSF/AURA/B. Tafreshi from https://noirlab.edu/public/images/iotw2144a/ with UploadWizard

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