File:A Mysterious Rash of Star Birth (gemini0501a).jpg
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DescriptionA Mysterious Rash of Star Birth (gemini0501a).jpg |
English: "A Mysterious Rash of Star Birth In this crisp Gemini North image, pink bubbles of glowing hydrogen gas spread across the arms of the face-on spiral galaxy NGC 6946 like a rash. This amazing infusion of color is fueled by the ubiquitous birth of massive stars throughout NGC 6946; these hot young stars blast copious amounts of ultraviolet radiation into their natal shrouds of hydrogen gas, causing the clouds to glow red. For reasons unknown, NGC 6946 has a much higher rate of star formation than all of the other large galaxies in our local neighborhood. The prodigious output of stellar nurseries in this extragalactic neighbor — which lies about 20 million light years away in the direction of the constellation of Cepheus — eventually leads to accelerated numbers of supernovae explosions. NGC 6946’s supernovae have occurred in rapid-fire fashion for tens of millions of years. Over the past century, eight supernovae are known to have exploded in the arms of this stellar metropolis. NGC 6946 is, in fact, the most prolific known galaxy for supernovae during the past 100 years. These events have led to its popular nickname, the “Fireworks Galaxy.” If we could compress just a million years of NGC 6946’s history into a time-lapse movie, lasting but a few seconds, we would bear witness to a stream of nearly constant outbursts of light as new stars flare into view, while old ones expire in spectacular explosions." Technical Details: Acquisition Date(s): August 12, 2004 Telescope: Gemini North, Mauna Kea Hawai'i Instrument: GMOS (Gemini Multi-Object Spectrograph) Field of View: 5.80 x 5.58 arcminutes Orientation: 184 deg CCW from N up, E to the |
Date | 1 January 2005 (upload date) |
Source | A Mysterious Rash of Star Birth |
Author | International Gemini Observatory/AURA/Manuel Paredes |
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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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current | 21:02, 27 October 2023 | 1,996 × 1,980 (833 KB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of https://noirlab.edu/public/media/archives/images/large/gemini0501a.jpg via Commons:Spacemedia |
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Credit/Provider | International Gemini Observatory/AURA/Manuel Paredes |
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Source | NSF's NOIRLab |
Online copyright statement | gemini.edu |
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Date and time of data generation | 20:00, 1 January 2005 |
Software used | Adobe Photoshop CS Macintosh |
File change date and time | 22:12, 26 January 2020 |
Date and time of digitizing | 21:46, 20 December 2004 |
Date metadata was last modified | 23:12, 26 January 2020 |
Unique ID of original document | adobe:docid:photoshop:a91020e7-54b6-11d9-86d1-9f8b1b346ecc |
Copyright status | Copyright status not set |
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Contact information |
950 North Cherry Ave. Tucson, AZ, 85719 USA |
Province or state shown | Hawaii |
Country shown | USA |
IIM version | 4 |
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image/jpeg
1,980 pixel
1,996 pixel
852,990 byte
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1 January 2005
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