On the so-called "hell planet," one year barely lasts 17.5 hours.

The exoplanet 55 Cancri e is known by a few different names, but the rocky world that is forty light-years away from Earth.

This super-Earth, so called because it is a rocky planet that is eight times as large and twice as broad as Earth.

The temperature of this ocean reaches 3,600 degrees Fahrenheit (1,982 degrees Celsius).

The planet, whose official name is Janssen but which is commonly known as 55 Cancri e or 55 Cnc e.

On average, one year on this planet is equivalent to around 17.5 hours of time on Earth.

 Copernicus, at such a close distance that it may complete one circle in less time than it takes the Earth to go around the sun.

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