habitable zone

White dwarf star circled by 65 objects may host a planet in its habitable zone

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Astronomers have found 65 evenly spaced rocks orbiting a white dwarf star in its habitable zone, hinting that a planet’s gravity may be holding them there Space 11 February 2022 By Leah Crane Illustration of the white dwarf star WD 1054-226 orbited by clouds of planetary debris and a major planet in the habitable zone … Read more

Venus: Early impacts on the planet may have made it far hotter than Earth

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Collisions with high-speed space rocks in Venus’s early history could have melted most of the planet’s mantle and driven any water into the atmosphere Space 17 December 2021 By Jonathan O’Callaghan Artist’s rendering of an early, large collision on Venus Southwest Research Institute/Simone Marchi High-speed impacts on Venus early in its history could help explain … Read more