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Astronomers have discovered a massive iron bar inside the iconic Ring Nebula. Detected using a new high-resolution instrument, the structure spans hundreds of times the size of Pluto’s orbit and contains roughly a Mars-sized amount of iron. The origin of this colossal bar remains a mystery, though one prevailing theory suggests it could be the remains of a vaporized planet. This discovery offers new insights into the complex structure of planetary nebulae.
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