For the first time, astronomers have identified a planet that is spiraling towards a cataclysmic collision with its aging sun, potentially offering a glimpse into how Earth could end one day.
"This is the first time we've observed direct evidence for a planet spiraling towards its evolved star," he told AFP.
An evolved star has entered the"subgiant" phase of the stellar life cycle, when it starts expanding and becoming brighter. Kepler-1658b's orbit is being shortened by the tides, in a similar process to how Earth's oceans rise and fall every day.is very slowly spiraling away from Earth.
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