Wolf-Rayet stars are known to be efficient dust producers, and the Mid-Infrared Instrument 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 & explode. Credit: NASA
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Location: Space / the Universe / WR 124'
Photo credit: © NASA / digitaleye / Alamy / Afripics
License: Licensed
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