The intricate whorls and curlicues of the Southern Ring Nebula – recently made famous for its place as one of the first objects imaged by JWST – are the product of at least four stars, new research has revealed.
in its core, it puffs up to hundreds of times bigger, expanding outwards into a red giant.
This is the planetary nebula, so-named because, without interference by other objects, they tend to be quite spherical, resembling a planet.But if there's something else near the star – and there often is, since many stars are in multiple-star systems gravitationally bound together –The Southern Ring Nebula, officially named NGC 3132 and located some 2,460 light-years away, is the death shroud of a star that was an estimated three times the mass of the Sun in life.
Spiral structures creating arches around the center of the nebula are the product of the orbital dance of these two stars – the dead white dwarf and its living companion. But when the researchers conducted a three-dimensional reconstruction of the nebula, they found pairs of structures that form when objects such as stars andThe MIRI instrument sees wavelengths of light that are in the mid-infrared range.
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