See a nebula that disappears into the interstellar medium

The flattened shells of ESO 455-10, which were previously tightly held together like layers of the central star, not only

give this planetary nebula its uniquekind, but also provide information about it. The clear asymmetric arc of matter visible in the star field on its northern side is a clear indication of the interaction between ESO 455-10 and the interstellar medium.

Despite the name, the planetary nebula isan astronomical object that is a shell of ionized gas around the central star, a white dwarf. Formed when the outer layers of a red giant or supergiant with a mass from 0.8 to 8 solar masses are ejected at the final stage of its evolution.

The interstellar medium is a material consisting ofmatter and radiation, between stellar systems and galaxies. The star at the center of ESO 455-10 interacts with the gas and dust of the nebula and the surrounding interstellar medium. Planetary nebulae are believed to be critical to the growth of galaxies. The fact is that they "eject" elements into the interstellar medium, which will eventually form the next generation of stars.

April 24, 1990 launched into Earth orbitthe Hubble Space Telescope. It is an automatic observatory in orbit around the Earth, named after Edwin Hubble. The Hubble Telescope is a joint project between NASA and the European Space Agency and is part of NASA's Large Observatories.

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