HomeScienceWill the Sun swallow us? Discovery of new exoplanet twice the size of Earth hints at our future home

Will the Sun swallow us? Discovery of new exoplanet twice the size of Earth hints at our future home

Scientists have discovered a new exoplanet orbiting a white dwarf star, offering fascinating insights into the possible fate of Earth.

October 03, 2024 / 10:31 IST
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This planet orbits a white dwarf, the remnant of a star like our Sun
This planet orbits a white dwarf, the remnant of a star like our Sun. (Image: Canva)

Scientists have discovered a new exoplanet orbiting a white dwarf star, offering fascinating insights into the possible fate of Earth. The planet, around 1.9 times the mass of Earth, reveals how planets might endure the chaotic end of a star's life.

Exoplanet Found Orbiting a White Dwarf


According to ScienceAlert, researchers discovered the exoplanet, which survived the destructive red giant phase of its host star. This planet orbits a white dwarf, the remnant of a star like our Sun. Led by Keming Zhang of the University of California, the study provides vital information about planetary evolution and survival after a star's death.

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Zhang explained that the planet remained intact through the red giant phase, a rare occurrence. Using an ultra-high magnification microlensing event, researchers detected the exoplanet and determined its mass and distance from the white dwarf. They also discovered a brown dwarf companion, 30 times the mass of Jupiter, orbiting the white dwarf. This discovery deepens our understanding of how planets can survive in extreme conditions.

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first published: Oct 3, 2024 10:30 am

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