A Planet Made of Diamond? Meet PSR J1719-1438 b

Mar 20, 2025 Khushi Kumari

Scientists discovered a rare planet, PSR J1719-1438b, made almost entirely of solid diamond

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This planet has the mass of Jupiter but is only 40% its size, making it incredibly dense

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Astronomers believe the planet is the leftover core of a dead star, compressed into carbon-rich diamond

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It was found by scientists from Australia, Germany, and the US using a radio telescope in Parkes, Australia

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PSR J1719-1438b is 4,000 light-years away, in the Serpens constellation, orbiting a pulsar

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The planet orbits its pulsar every 2 hours and 10 minutes, at a distance of just 370,000 miles (600,000 km)

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The diamond planet is five times bigger than Earth and even larger than the pulsar it orbits

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