Science

Webb Telescope Photographs a Dying Star That Looks Exactly Like a Human Brain Floating in Space

NASA's JWST captures the Exposed Cranium Nebula 5,000 light-years away.

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Webb Telescope Photographs a Dying Star That Looks Exactly Like a Human Brain Floating in Space

NASA's James Webb Space Telescope has captured what may be its most visually striking image yet: a dying star roughly 5,000 light-years from Earth whose expelled shells of gas bear an uncanny resemblance to a human brain floating inside a translucent skull. The object, formally catalogued as PMR 1 and now nicknamed the Exposed Cranium Nebula, was photographed using Webb's Mid-Infrared Instrument over a series of observations in late February.

The image reveals the planetary nebula in unprecedented structural detail, showing intricate folds and convolutions in the ionized gas that mirror the sulci and gyri of a cerebral cortex with almost unsettling precision. The outermost layers of expelled material form a smooth, rounded shell that completes the cranial illusion. NASA released the image Monday with the tagline: "The universe has a mind of its own."

Planetary nebulae form when sun-like stars reach the end of their lives and shed their outer layers into space, leaving behind a dense, hot core known as a white dwarf. The central star of PMR 1, visible as a bright point at the center of the structure, has a surface temperature of approximately 150,000 degrees Kelvin — roughly 25 times hotter than the surface of our sun. Its intense ultraviolet radiation causes the surrounding gas to fluoresce in the infrared wavelengths that Webb is uniquely equipped to detect.

Dr. Karl Gordon, the principal investigator on the observation team at the Space Telescope Science Institute in Baltimore, said the brain-like morphology is likely the result of competing stellar winds interacting with previously ejected material. "We believe the central star went through at least two distinct mass-loss episodes separated by several thousand years," Gordon explained. "The interplay between those layers, shaped by magnetic fields and the star's rotation, produced this extraordinary structure."

The image has already become a sensation on social media, generating more than 40 million views across platforms within hours of its release. It follows a string of iconic Webb images that have captivated the public since the telescope began science operations in July 2022, including the Pillars of Creation, the Crab Nebula, and the deep field observations that revealed galaxies forming just 300 million years after the Big Bang.

Astronomers say PMR 1 offers more than just visual spectacle. The nebula's unusual symmetry and layered structure make it an ideal laboratory for studying the final stages of stellar evolution and the processes by which dying stars seed the interstellar medium with heavy elements — the same elements that eventually coalesce into new stars, planets, and, on at least one occasion, living brains capable of looking back at the cosmos and recognizing their own reflection.

Originally reported by NASA.

James Webb NASA nebula space astronomy