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USA
3700 San Martin Drive
21218
MD
outreach@stsci.edu
410-338-4444
https://www.stsci.edu/
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2023-01-10T13:03:30-05:00
1.2
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https://www.stsci.edu/cgi-bin/get-proposal-info?id=2730&observatory=JWST
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stsci
https://webbtelescope.org/contents/news-releases/2023/news-2023-111
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TAN
2000.0
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287.87823340053
16.86049964463
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Infrared
Infrared
7700
11300
12800
18000
blue
green
red
red
B.3.2.4
B.4.2.1
Observation
Space Telescope Science Institute Office of Public Outreach
Wolf-Rayet stars are known to be efficient dust producers, and the Mid-Infrared Instrument (MIRI) on NASA’s James Webb Space Telescope shows this to great effect. Cooler cosmic dust glows at the longer mid-infrared wavelengths, displaying the structure of WR 124’s nebula. The nebula is made of material cast off from the aging star in random ejections, and from dust produced in the ensuing turbulence. This brilliant stage of mass loss precedes the star’s eventual supernova, when nuclear fusion in its core stops and the pressure of gravity causes it to collapse in on itself, and then explode. As MIRI demonstrates here, Webb will help astronomers to explore questions that were previously only left to theory about how much dust stars like this create before exploding in a supernova, and how much of that dust is large enough to survive the blast and go on to serve as building blocks of future stars and planets.
image/png
Public
WR 124
M1-67
WR 124 (MIRI Image)
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