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STScI-01G786E1PW9RMK51EP0DZSM03B

photoxels
2022-07-12
1 min read

Southern Ring Nebula (MIRI Image)
Credits: NASA, ESA, CSA, and STScI

Southern Ring Nebula (MIRI Image) Credits: NASA, ESA, CSA, and STScI

NASA’s Webb Telescope has revealed the cloak of dust around the second star, shown at left in red, at the center of the Southern Ring Nebula for the first time. It is a hot, dense white dwarf star.

As it transformed into a white dwarf, the star periodically ejected mass – the shells of material you see here. As if on repeat, it contracted, heated up – and then, unable to push out more material, pulsated.

 

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