A multi-university team of researchers published a study on Wednesday in the journal 'Nature' that described the first ever observation of a star swallowing a planet.
Luckily, those of us on Earth are safe from the dangers of space . However, there are some things that we won’t ever be able to avoid—like the inevitable moment when our planet is swallowed up by the sun. While that reality is still billions of years away, it’s still something that astronomers want to research to better understand the lifespan of stars like the one in the center of our solar system.
Astronomers noticed the event in May 2020 after they witnessed the star “brightening by a factor of a few hundred over the course of a couple of weeks,” MIT astrophysicist Kishalay De, who is a lead author of the study, said in a press briefing. At first, the team suspected that they were witnessing a stellar merger, which is when two stars collide.
“What we saw was a stellar merger, but what you have is a star that engulfed a planet instead of a star,” De explained. “This is exciting because this has been one of our fundamental predictions of our understanding of our stars and the surrounding planets.” While this event offers an incredibly fascinating look at a cosmically rare event, it also is a glimpse into the future fate of Earth, Mars, and every other planet in our solar system. “We are seeing the future of the Earth,” De said. “If some other civilization was observing us from 10,000 light-years away while the sun was engulfing the Earth, they would see the sun suddenly brighten as it ejects some material, then form dust around it, before settling back to what it was.
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