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Explore 700 Degrees, Degrees Celsius, and more!

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" http://www.bellaonline.com/articles/art32334.asp

In 2011 the first "circumbinary planet" - a planet orbiting two stars- was discovered. While the planet's officially called Kepler 16b, astronomers are already referring to it as Tatooine, after the home planet of Luke Skywalker in the Star Wars movies, which also had two suns. Mona Evans, "Exotic Exoplanets Tour" http://www.bellaonline.com/articles/art32334.asp

BPM 37093 ("Lucy") is a star composed entirely of diamond. It's 4,000 km across and 10 billion trillion trillion carats. 50 light years from Earth in the constellation Centaurus, it's classified as a crystallized white dwarf, the hot core that remains after a star burns out. Mona Evans, "Exotic Exoplanets Tour" http://www.bellaonline.com/articles/art32334.asp