Artist concept of WD1856b orbiting a white dwarf star (IMAGE)
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Artist concept of the gas giant planet WD1856b orbiting a white dwarf star. The planet is 7 times larger than the Earth-sized white dwarf it orbits. WD1856b has methane and hazes in its atmosphere, which would give it a similar colour to Saturn's moon Titan. The white dwarf formed from a star that died 5 billion years ago and has been cooling ever since, giving it an orange colour similar to the sun.
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NASA, ESA, CSA, Ralf Crawford (STScI)
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