Diamond-Rain World Around a Pulsar Challenges Planet-Formation Theory

1 min read
Source: Space Daily
Diamond-Rain World Around a Pulsar Challenges Planet-Formation Theory
Photo: Space Daily
TL;DR

Using the James Webb Space Telescope, astronomers identified PSR J2322-2650b, a Jupiter-mass world orbiting a pulsar. Its atmosphere is unusually rich in helium and carbon, with nitrogen and oxygen largely absent, and its clouds may condense soot into diamond, implying a “diamond rain.” The planet’s nearly pure carbon composition and puzzling formation history defy current models, challenging the line between planet and stellar remnant and prompting new theories about how such worlds form.

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