Planet 55 Cnc e, also known as “Janssen”, orbits so close to its sun that a year is shorter than an Earth day.
Scientists shed new light on planet 55 Cnc e, known by some as the “hell planet”, revealing how it became so fiery.
That wasn’t always the case, though. New, exact measurements of a planet roughly 40 light-years away from Earth allowed scientists to gain further insight into the way planets can turn into fiery hellscapes over many millennia, as per a press statement.
ESA / Hubble, M. Kornmesser.
55 Cnc e orbits its host star so closely it performs an entire rotation around it in only 18 hours. Its surface is essentially an ocean of lava, and its interior is considered teeming with diamonds.
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