『Failed Supernova? How a Massive Star Quietly Became a Black Hole』のカバーアート

Failed Supernova? How a Massive Star Quietly Became a Black Hole

Failed Supernova? How a Massive Star Quietly Became a Black Hole

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概要

Astronomers have identified a rare case in the Andromeda Galaxy where a massive star appears to have collapsed directly into a black hole—without exploding as a supernova. After nearly two decades of observations, researchers saw the star fade as its core imploded, while its outer layers dispersed more slowly due to internal convection.

A lingering infrared glow now marks the aftermath, offering strong evidence for models predicting “failed supernovae.” This discovery suggests that many stellar-mass black holes may form in silence, reshaping our understanding of how these cosmic objects are born.

This episode includes AI-generated content.
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