A recent study published in the journal Nature Astronomy has found that planets orbiting white dwarf stars could potentially be habitable. White dwarf stars are the remnants of Sun-like stars that have used up all of their nuclear fuel and collapsed. While these stars are much dimmer than their predecessors, the study suggests that planets orbiting white dwarf stars could still be habitable. Due to their low luminosity, these planets can exist in closer orbits than those orbiting Sun-like stars, leading to shorter orbital periods and higher chances of habitability. Furthermore, the low luminosity of these stars could provide a more consistent environment for any life that may exist on the planets. This could mean that planets orbiting white dwarf stars could provide a unique opportunity for discovering life beyond our Solar System.

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source: Phys.org