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Astronomers Uncover Secrets of a Bizarre Exoplanet's Survival Near a Dead Star

KVIA••CNN Newsource
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Recent research has shed light on the unusual exoplanet WD 1856 b, which orbits a white dwarf star located 80 light-years away. This giant planet, significantly larger than its host star, raises questions about the future of our solar system's gas giants, like Jupiter and Saturn, when the sun eventually dies in about 5 billion years. Utilizing the James Webb Space Telescope, astronomers have discovered that WD 1856 b has a temperature of approximately 260°F and may have migrated inward from a safer orbit, potentially due to gravitational interactions or even engulfment by its star. These findings could provide insight into the fate of planets in our own solar system as they face the eventual demise of their host star.

Key Details: • WD 1856 b orbits its white dwarf star every 34 hours. • The planet is located 80 light-years from Earth. • Temperatures on WD 1856 b reach around 260°F. • The study utilized the James Webb Space Telescope for observations. • Findings suggest potential scenarios for planetary survival during stellar death.

astronomy space exoplanets james-webb solar-system

People & Organizations

University of Texas at AustinUniversity of St. AndrewsNorthwestern UniversityCornell UniversityDr. Christopher O’ConnorVictoria BoehmDr. Ryan MacDonaldDr. Caroline Morley

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