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Pulsar with a Diamond Planet [1080p]

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by Guest, 8 years ago
0 0
Astronomers have discovered the densest extrasolar planet yet: A Jupiter-mass remnant of a carbon- and oxygen-rich star that measures no more than 55000 km (31000 mi.) across. The odd world, whose density is on average at least 23 g/cm³ (0.80 lb/in³) -- or about twice that...