File:Comet 238P Read (NIRCam Image).png

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:23, 15 May 2023		972 × 855 (558 KB)	commons>C messier	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
Image title	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.
Copyright holder	Public
Short title	Comet 238P/Read (NIRCam Image)
Credit/Provider	NASA, ESA, CSA, STScI, M. Kelley (UMD), and H. Hsieh (PSI)
Source	STScI
Usage terms	https://www.stsci.edu/copyright
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
Bits per component	8 8 8
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 https://www.stsci.edu/ 3700 San Martin Drive Baltimore, MD, 21218 USA 410-338-4444
Keywords	Comet 238P/Read P/2005 U1
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

File:Comet 238P Read (NIRCam Image).png

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