<ul><li>The James Webb Space Telescope has discovered the coldest exoplanet ever detected, with an average temperature of minus 87 degrees Celsius.</li><li>The exoplanet orbits a white dwarf star, which is essentially a dead star that continues to cool over time, making the planet exceptionally cold despite its proximity to the star.</li><li>Researchers from the University of Michigan found that the exoplanet, named WD 1856+534 b, defied expectations by surviving in a region where planets would have been engulfed during the star's red giant phase.</li><li>The discovery suggests the possibility of habitable worlds orbiting white dwarfs, shedding light on the potential for planetary migration into close orbits around these dead stars.</li></ul>

James Webb turns its sights on the coldest exoplanet ever discovered

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