Hubble Views a Dazzling Cosmic Necklace
March 14, 2024
Hubble Views a Dazzling Cosmic Necklace The image, vividly depicted by NASA, shows, “A small, bright green region of gas surrounded by a ring of glowing cosmic material, concentrated in pale clumps that resemble diamonds along a necklace. The rest of the image shows black space dotted with several bright stars and a couple of small regions of dark red gas.” - ESA/Hubble & NASA, K. Noll
Goddard Space Flight Center
APR 30, 2021
European Space Agency (ESA)
"The interaction of two doomed stars has created this spectacular ring adorned with bright clumps of gas – a diamond necklace of cosmic proportions. Fittingly known as the “Necklace Nebula,” this planetary nebula is located 15,000 light-years away from Earth in the small, dim constellation of Sagitta (the Arrow).
A pair of tightly orbiting Sun-like stars produced the Necklace Nebula, which also goes by the less glamorous name of PN G054.203.4. Roughly 10,000 years ago, one of the aging stars expanded and engulfed its smaller companion, creating something astronomers call a “common envelope.” The smaller star continued to orbit inside its larger companion, increasing the bloated giant’s rotation rate until large parts of it spun outwards into space. This escaping ring of debris formed the Necklace Nebula, with particularly dense clumps of gas forming the bright “diamonds” around the ring.
The pair of stars which created the Necklace Nebula remain so close together – separated by only several million miles – that they appear as a single bright dot in the center of this image. Despite their close encounter, the stars are still furiously whirling around each other, completing an orbit in just over a day.
Hubble previously released an image of the Necklace Nebula, but this new image uses advanced processing techniques to create an improved and fresh view of this intriguing object. The composite image includes several exposures from Hubble’s Wide Field Camera 3.
A giant cosmic necklace glows brightly in this NASA Hubble Space Telescope image.
Hubble is a project of international cooperation between NASA and the European Space Agency. NASA’s Goddard Space Flight Center in Greenbelt, Md., manages the telescope. The Space Telescope Science Institute (STScI) in Baltimore conducts Hubble science operations. STScI is operated for NASA by the Association of Universities for Research in Astronomy Inc. in Washington.
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NASA is not only known for its research and discoveries but is renowned for often sharing space wonders. Taking viewers by surprise again, NASA has recently shared an astonishing celestial sight and dubbed it as cosmic jewelry located a remarkable 15,000 light-years from our planet Earth. Captured by the Hubble Space Telescope, this extraordinary display is affectionately known as the Necklace Nebula. This cosmic marvel, as NASA describes, is the result of a unique celestial tango between a pair of aging, closely-orbiting stars akin to our Sun. The larger star, in its aging process, expanded and eventually engulfed its smaller companion."
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