2023-08-15 01:39:34
▲ The Ring Nebula, which looks like a woman’s mascara captured by the James Webb Space Telescope. Source: NASA However, a view with the Hubble Space Telescope reveals a beautiful ring and a small white dwarf star shining in the middle of space that looks like a central cobalt lake. The original Ring Nebula is the shape of a star the size of our Sun, which evolved to become a red giant at the end of its life, and eventually ejected its outer shell into space, and is called a planetary nebula. However, it has nothing to do with planets. In the old days when there were no telescopes, it looked like a planetary disk, so it was named that way. A view of the Ring Nebula (M 57) as seen by the Hubble Space Telescope. Source: NASA The Ring Nebula is also a future image of our Sun. It’s almost certain that our sun will probably look like that in regarding 6 billion years. The central white dwarf is a very hot and dense star, regarding one-hundredth the size of the original star, the size of our Earth. It usually contains regarding half the mass of the Sun compressed into a volume regarding the size of the Earth. The featured image, taken by the James Webb Space Telescope’s infrared camera, is strikingly different from the Hubble image. Although the central ring spans regarding 1 light-year (our solar system’s regarding 1 light-day), Exposed deep into the James Webb Telescope’s infrared field of view, a series of filaments of gas, like cosmic eyelashes, are clearly visible around the ring. Looking like a woman’s mascara, these long filaments are densely packed in the ring due to the powerful light emitted from within. It appears to have been caused by the shadow of a tall gas knot. The Ring Nebula (M 57) lies regarding 2500 light-years away toward the constellation of the Lyra.
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