Astronomers hypothesized that Halla managed to survive despite its star undergoing a cataclysmic transition that should have engulfed this neighboring planet.
After using all of its fuel, our Sun is predicted to reach the end of its existence in five billion years. When that happens, it will dramatically expand to 100 times its present size. In the process, it will swallow Earth and other nearby planets in the solar system.orbiting distant stars throughout the cosmos encounter a similar destiny. Halla, on the other hand, appears to have survived this catastrophic situation.Halla was first discovered by a team of Korean astronomers in 2015.
From 2021 to 2022, the researchers used the W. M. Keck Observatory and the Canada-France-Hawaii Telescope on Mauna Kea, Hawai'i, to confirm their survivability theory. “Together, these observations confirmed the existence of Halla, leaving us with the compelling question of how the planet survived,” said lead author, Dr Marc Hon from the University of Hawai‘i.The team has put forth multiple possibilities to explain how this fortunate planet managed to survive such a cosmic endgame.
This theory is based on the fact that the twin stars would have slurped stellar material off one other, preventing expansion, and allowing Halla to escape engulfment.
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