The glorious, billowing Southern Ring Nebula is the cocoon of a dying star — and it has a secret. Scientists have found this nebula to exhibit a double-ring structure that evidences not one, but ...
As the name suggests, the nebula looks like a yolk hidden inside an opaque egg white.
The latest image from the Hubble Space Telescope turns a quiet patch of sky into a spectral scene, revealing a so‑called “Ghost Nebula” where a dying star is shedding its outer layers into space. The ...
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