Supernova death releases beautiful "star gall"

Supernova death releases beautiful "star gall" NASA has recently released a picture of "star gall", the shock wave in the picture was dubbed by the British "Daily Mail" as "a screenshot of a TV game like the 1980s" ". According to the "Daily Mail" online version reported on September 8, this picture taken by the Hubble Space Telescope showed that the supernova released a "star gall" shock wave into space when the 1987A explosion exploded, and the resulting light illuminated its place. Surrounded by interstellar matter like a pearl necklace. The research was published in the latest issue of Science. The supernova explosion event is the "storm death" of a massive star. This time the protagonist supernova number 1987A, located in the Large Magellanic Cloud. The eruption dated back to about 161000 BC, but the light it emitted did not reach Earth until 1987 and was captured by a Canadian astronomer. At that time, there were no supernovae that could be seen with the naked eye for more than 400 years, and they also "dwelled" in the nearest neighboring galaxy to facilitate observation and research, so this became one of the largest astrophysical events in the 20th century. After the Hubble telescope was launched in 1990, astronomers who had been forced to wait were immediately used to observe the supernova 1987A. The returned information helped people almost rewrite the textbook about supernova. Now, Hubble visits "Old Friends" again: a team led by Kevin Francis, associate professor of the Center for Space Astronomy and Astrophysics at the University of Colorado in the United States, followed the observation of the supernova 1987A and carried out the interaction between the stellar explosion and interstellar matter. The photos obtained from the research allowed them to see the remains of dead stars called "star galls" and measure the speed and composition of their surrounding cosmic environment when they interacted. Illuminated by the shock wave released by the supernova, astronomers found that the interstellar matter surrounded by it had a peculiar structure, much like a pearl necklace, and 30 to 40 "pearls" could be seen. They should be cosmic matter ejected by a dying supermassive star before exploding into a supernova state, forming a continuous glowing ring structure around the "star internal organs" under the interaction. Frances explained: "This photo allows us to observe the environmental dynamics and chemical characteristics of the energy released by the explosion of supernovae, and to use the latest data to understand how supernovae regulate and affect the evolution of galaxies."

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