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White dwarf News

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With a chemical composition similar to Halley's comet, the object is 100,000 times more gigantic and contains water, the amount of which is much higher.
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The image shows the colorful "last hurrah" of NGC 2440, which lies about 4,000 light-years from Earth in the direction of the constellation Puppis.
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Astronomers have discovered a new type of exotic binary star system, in which a rapidly spinning white dwarf star is lashing the companion red dwarf star with high-energy particles, causing the entire system to pulse dramatically every 1.97 minutes with radiation ranging from the ultraviolet to radio.






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