Download the full-resolution version from the Space Telescope Science Institute.
This new infrared image of NGC 346 from NASA’s James Webb Space Telescope’s Mid-Infrared Instrument traces emission from cool gas and dust. In this image blue represents silicates and sooty chemical molecules known as polycyclic aromatic hydrocarbons, or PAHs. More diffuse red emission shines from warm dust heated by the brightest and most massive stars in the heart of the region. Bright patches and filaments mark areas with abundant numbers of protostars. This image includes 7.
The Small Magellanic Cloud is a satellite galaxy of the Milky Way, visible to the unaided eye in the southern constellation Tucana. This small companion galaxy is more primeval than the Milky Way in that it possesses fewer heavy elements, which are forged in stars through nuclear fusion and supernova explosions, compared to our own galaxy.
France Dernières Nouvelles, France Actualités
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