The super-Earth orbits a star called Copernicus, which is 1/25th the distance mega-hot planet Mercury is from our sun.
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Just how steamy is it? We're talking about a surface covered in oceans of lava.
The side of the planet that faces its sun has temperatures around 3,100 degrees Fahrenheit -- hot enough to melt iron.
Conditions on the hot side of the exoplanet are so extreme that it may have caused the atmosphere to completely evaporate, according to researchers.
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"55 Cancri e" was discovered in 2011, and has since been extensively studied by NASA researchers and others.
To learn more about "55 Cancri e," click here.