NASA James Webb Telescope Wolf-Rayet Star (NIRCam and MIRI Compass) - Wall Art Photo Poster Print

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NASA James Webb Telescope Wolf-Rayet Star (NIRCam and MIRI Compass)

Wolf-Rayet (WR) stars are atype of massive, hot, and luminous stars that belongs to the class of evolved stars. These stars are named after the French astronomers Charles Wolf and Georges Rayet, who first identified them in the mid-19th century. Wolf-Rayet stars are known for their distinctive spectra characterized by strong emission lines of ionized helium, nitrogen, carbon, and sometimes other elements.

Wolf-Rayet stars are considered to be in an advanced stage of stellar evolution, with masses typically ranging from 20 to over 200 times that of the Sun. They are extremely hot, with surface temperatures reaching up to tens of thousands of degrees Celsius, and are highly luminous, with luminosities millions of times greater than that of the Sun.

Wolf-Rayet stars have a short lifespan of a few hundred thousand to a few million years due to their high mass and intense stellar winds, which cause them to lose mass at a rapid rate. As a result, they are relatively rare in the universe, accounting for only a small fraction of all stars. Despite their rarity, Wolf-Rayet stars are believed to play a crucial role in the evolution of galaxies and the enrichment of the interstellar medium with heavy elements, as their strong stellar winds and explosive supernova deaths can inject large amounts of material into their surroundings.

This image was taken by theJames Webb Space Telescope (JWST) using the onboard Near-Infrared Camera (NIRCam) and the Mid-Infrared Instrument (MIRI).