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NASA finds carbon-rich alien world

Artist concept of the extremely hot exoplanet WASP-12b and the host star.

Hot stuff: Not only is WASP-12B full of carbon, but its atmosphere is more than 2000°C Source: NASA/JPL-Caltech/R. Hurt (SSC) .

Carbon-rich planet raise new questions for astronomers. Plus: how to build an asteroid belt; and the science of spectroscopy.

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Subjects: astronomy-space, planets-and-asteroids, the-universe, space-exploration, spacecraft, stars