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Posted: 2025-04-19 09:38:56 UTC
This article contains some claims that remain unverified. While much of the content may be accurate, exercise care when relying on this information.
This article contains some claims that remain unverified. While much of the content may be accurate, exercise care when relying on this information.
Status
Last Updated
2025-04-19 09:39:31 UTC
Verified By
Rollup News
The Cat's Eye Nebula, a well-known planetary nebula, exhibits a complex outer halo spanning over three light-years. This halo is believed to have formed from material ejected during earlier phases of the star's evolution, with an estimated age of 50,000 to 90,000 years, predating the planetary nebula phase itself.
Intricately structured outer halo of the Cat's Eye Nebula
Formation of expansive halos in planetary nebulae
Evolutionary phases of Sun-like stars
Unknown origin of the nebula's halo
Understanding the star's earlier evolutionary stages