At a toasty 3,700 degrees Fahrenheit, the planet is hot enough
to liquefy steel. And there’s not much relief from the scorching
heat: Researchers at MIT and other institutions say the planet
may lack reflective surfaces such as ice caps, instead absorbing
most of the heat from its parent star — much as Earth’s dark
oceans trap heat from the sun. Data from the Spitzer Space
Telescope reveals that 55 Cancri e is very dark, and that its
sun-facing side is blistering hot. Image: NASA/JPL-Caltech If
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