The IC 4593 nebula is located in the Milky Way galaxy at a distance of about 7,800 light years from Earth. This is the most
In this new image of IC 4593, the bubble discovered by the Chandra telescope is gas heated to more than a million degrees.
This composite image also contains data aboutvisible light from the Hubble Space Telescope. The pink areas in the Hubble image are an overlap of radiation from a colder gas, made up of a combination of nitrogen, oxygen and hydrogen, while green radiation is mainly associated with nitrogen.
This composite image also contains visible light data from the Hubble Space Telescope.
Despite the fact that IC 4593 is calledplanetary nebula, this class of objects has nothing to do with planets. The name for the cosmic phenomenon was given about two centuries ago because the nebulae looked like the disk of a planet when viewed through a small telescope. In fact, a planetary nebula forms after the interior of a star with about the mass of the Sun contracts while its outer layers expand and cool. This occurs during the “dying” of a star, at the end of its life cycle (which, however, can last billions of years). As for the Sun, its outer layers could extend as far as the orbit of Venus during its red giant phase several billion years in the future.
In addition to hot gas, this studyalso finds evidence of a point X-ray source at the center of IC 4593. It has much more energy than a bubble of hot gas. A point source could be either from a star that threw off its outer layers to form a planetary nebula, or from a possible companion star in this system.
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