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| Pulsar and Diamond Planet: see link below |
"Back in the 1920s, the great Jazz Age writer F. Scott Fitzgerald published a story titled The Diamond as Big as the Ritz — the Ritz-Carlton hotel, that is, which even in those pre-high-rise days was a pretty hefty chunk of real estate. Fitzgerald wasn't a science-fiction writer, so he didn't have to explain how such a thing could possibly exist. Lucky thing too since it couldn't. Not on earth, anyway.
"But the universe is a vast and strange place, where all sorts of seemingly impossible things happen routinely. Still, a paper just published in Science seems to teeter on the edge of utter fantasy: 20 trillion miles away lies a star more massive than the sun but only 15 miles across, spinning around more than 100 times a second — and orbiting that star is a diamond the size, not of a mere luxury hotel, but of the planet Jupiter. Oh, and the diamond used to be a star too, before it turned into a planet."
"But the universe is a vast and strange place, where all sorts of seemingly impossible things happen routinely. Still, a paper just published in Science seems to teeter on the edge of utter fantasy: 20 trillion miles away lies a star more massive than the sun but only 15 miles across, spinning around more than 100 times a second — and orbiting that star is a diamond the size, not of a mere luxury hotel, but of the planet Jupiter. Oh, and the diamond used to be a star too, before it turned into a planet."
Time Science: Scientists Discover a Diamond as Big as a Planet
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