File:Comet 238P Read (NIRCam Image).png
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Summary[edit]
DescriptionComet 238P Read (NIRCam Image).png |
English: This image of Comet 238P/Read was captured by the NIRCam (Near-Infrared Camera) instrument on NASA’s James Webb Space Telescope on September 8, 2022. It displays the hazy halo, called the coma, and tail that are characteristic of comets, as opposed to asteroids. The dusty coma and tail result from the vaporization of ices as the Sun warms the main body of the comet.
Comet Read was among three objects used to define the category of main belt comets in 2006. Before that, comets were understood to reside in the Kuiper Belt and Oort Cloud, beyond the orbit of Neptune, where their ices were preserved farther from the Sun. Since that time scientists have sought to confirm the presence of sublimating material in main belt comets, proving that their coma and tail were due to the same processes that other comets exhibit. With the detection of water vapor on Comet Read, Webb’s sensitive NIRSpec (Near-Infrared Spectrograph) instrument has achieved this goal. |
Date | |
Source | https://webbtelescope.org/contents/media/images/2023/123/01H05KPGTZMCAPA4Z0TG4BV7CG?news=true |
Author |
IMAGE: NASA, ESA, CSA, Mike Kelley (UMD) |
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current | 16:23, 15 May 2023 | 972 × 855 (558 KB) | C messier (talk | contribs) | Uploaded a work by IMAGE: NASA, ESA, CSA, Mike Kelley (UMD) <br/> IMAGE PROCESSING: Henry Hsieh (PSI), Alyssa Pagan (STScI) from https://webbtelescope.org/contents/media/images/2023/123/01H05KPGTZMCAPA4Z0TG4BV7CG?news=true with UploadWizard |
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Author | Space Telescope Science Institute Office of Public Outreach |
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Credit/Provider | NASA, ESA, CSA, STScI, M. Kelley (UMD), and H. Hsieh (PSI) |
Source | STScI |
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Date and time of data generation | 10:00, 15 May 2023 |
Color space | sRGB |
Exif version | 2.31 |
Image width | 972 px |
Image height | 855 px |
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Height | 855 px |
Width | 972 px |
Pixel composition | RGB |
Number of components | 3 |
Horizontal resolution | 72.01 dpi |
Vertical resolution | 72.01 dpi |
Contact information | outreach@stsci.edu
3700 San Martin Drive Baltimore, MD, 21218 USA |
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Date and time of digitizing | 06:46, 12 January 2023 |
Software used | Adobe Photoshop 24.4 (Macintosh) |
Date metadata was last modified | 08:19, 11 May 2023 |
File change date and time | 06:21, 10 May 2023 |
Unique ID of original document | xmp.did:1a206e97-7ba2-4003-960d-f0966672fae3 |
Copyright status | Copyright status not set |