supernova remnant
A supernova remnant is the leftover material from a massive star that has exploded at the end of its life cycle. When a star runs out of fuel, it can no longer support itself against gravitational collapse, leading to a powerful explosion called a supernova. The remnants consist of gas, dust, and heavy elements ejected into space, spreading them across the universe. These remnants can form new stars and planets, contributing to the cosmic cycle of matter. They are often studied by astronomers to understand stellar evolution and the chemical enrichment of the universe.
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A supernova remnant is the nebula, or cloud of gas and dust, that remains after a massive star has exploded in a supernova event. This explosion occurs when a star exhausts its nuclear fuel, causing it to collapse and then violently blow apart. The resulting remnant contains elements created during the star's life and in the explosion itself, contributing to the cosmic material that forms new stars and planets. Supernova remnants can be studied to understand stellar evolution and the lifecycle of matter in the universe. Notable examples include the Crab Nebula and the Vela Supernova Remnant.