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kellylepo@scicomm.xyzK

kellylepo@scicomm.xyz

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  • I'm glad this is finally out after the government shutdown!
    kellylepo@scicomm.xyzK kellylepo@scicomm.xyz

    I'm glad this is finally out after the government shutdown!

    In this new JWST image, we see shells of dust surrounding the Apep system.

    As the two Wolf-Rayet stars complete their 190-year orbit, they will get close enough that their winds will collide for about 25 years. These colliding winds produce carbon-rich dust that surrounds the stars in a shell. The shells then get blown outward by the winds.

    A third star, a massive O-type star, orbits the pair of Wolf-Rayet stars in a wider orbit and destroys some of the top part of the dust shell. All three of these stars appear as a single point of light in the center of the image.

    The result: At least four nested shells of dust, showing the history of the system like tree rings.

    https://science.nasa.gov/missions/webb/webb-first-to-show-4-dust-shells-spiraling-apep-limits-long-orbit/

    #astronomy #space #jwst

    Ikke-kategoriseret astronomy space jwst
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