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Mona Evans
Mona Evans • 2 years ago

HD 149026 b. One of the hottest & blackest planets yet discovered, the temperature on the sunny side is over 2000 degrees Celsius (3700 F), hot enough to melt iron and boil silicon. The opaque upper layers absorb almost all of its star's light, reflecting nothing. This would make the planet blacker than coal, but glowing softly as it radiates heat. (Artist impression, image: NASA/JPL-Caltech) ©Mona Evans "Exotic Exoplanets Tour" www.bellaonline.c...