A feature of the constellation Puppis is giving astronomers a chance to watch the final years of a dying star. The star is at the center of a cloud of gas and dust. It contains a lot of sulfur, so it’s known as the Rotten Egg Nebula.
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A feature of the constellation Puppis is giving astronomers a chance to watch the final years of a dying star. The star is at the center of a cloud of gas and dust. It contains a lot of sulfur, so it’s known as the Rotten Egg Nebula.