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Cassiopeia A 💥 A Star’s Violent Death Still Expanding After 300 Years | Supernova Remnant

Around 11,000 light-years from Earth, the remains of a massive star continue to race outward through space.
This is Cassiopeia A, one of the youngest and most studied supernova remnants in our galaxy.

Seen through NASA’s James Webb Space Telescope and Chandra X-ray Observatory, the explosion’s aftermath comes alive.
Chandra reveals million-degree shockwaves and glowing debris rich in iron and silicon — the elemental ashes forged inside the star.
Webb exposes cooler, untouched material, including the eerie “Green Monster,” a mysterious structure shaped by the blast itself.

Even after 300 years, Cassiopeia A is still expanding — a lingering echo of a star’s final breath.

🌌 The universe never forgets its explosions.

#theuniversefactory #cassiopeia #supernova #remnant

Видео Cassiopeia A 💥 A Star’s Violent Death Still Expanding After 300 Years | Supernova Remnant канала THE UNIVERSE FACTORY
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