tóng-àn:Wolf-Rayet 124 (NIRCam and MIRI composite image).tif

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English: The luminous, hot star Wolf-Rayet 124 (WR 124) is prominent at the centre of the NASA/ESA/CSA James Webb Space Telescope’s composite image combining near-infrared and mid-infrared wavelengths of light. The star displays the characteristic diffraction spikes of Webb’s Near-infrared Camera (NIRCam), caused by the physical structure of the telescope itself. NIRCam effectively balances the brightness of the star with the fainter gas and dust surrounding it, while Webb’s Mid-Infrared Instrument (MIRI) reveals the nebula’s structure. Background stars and galaxies populate the field of view and peek through the nebula of gas and dust that has been ejected from the ageing massive star. A history of the star’s past episodes of mass loss can be read in the nebula’s structure. Rather than smooth shells, the nebula is formed from random, asymmetric ejections. Bright clumps of gas and dust appear like tadpoles swimming toward the star, their tails streaming out behind them, blown back by the stellar wind.
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Chhut-chhù https://esawebb.org/images/weic2307d/
Chok-chiá NASA, ESA, CSA, STScI, Webb ERO Production Team

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Public domain 本作品由NASA創作,屬於公有領域。根據NASA的版權政策:“NASA的創作除非另有聲明否則不受版權保護。”(參見:Template:PD-USGov/zhNASA版權政策JPL圖像使用政策
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