A regular pattern of debris suggests some kind of a planetary 'shepherd' in the region, scientists say.
phase. expanding a 100 to a 1,000 times and burning the planets closest to them. When the sun turns into a red giant, life on Earth will no longer be possible. Temporarily, the habitable zone will move towards the outer solar system, before shrinking again to include only the closest surroundings of the cooing white dwarf.The theoretical planet at WD1054–226 is well within the white dwarf's habitable region. It orbits at a distance of 1.
"It is expected that this orbit around the white dwarf was swept clear during the giant star phase of its life, and thus any planet that can potentially host water and hence, life, would be a recent development," the statement added. "The area would be habitable for at least two billion years, including at least one billion years into the future."based on the research was published Feb. 8 in the Monthly Notices of the Royal Astronomical Society.
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