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A NASA spacecraft is trying to make history with the closest approach ever to the Sun.
According to foreign media, the Parker Solar Probe is plunging into the outer atmosphere of our star, enduring brutal temperatures and extreme radiation.
It has been out of communication for several days during this hot flyby, and scientists will wait for a signal, expected on December 27, to see if it survived.
It is hoped that the probe can help us better understand how the Sun works.
Dr Nicola Fox, head of science at NASA, told BBC News: “For centuries, people have studied the Sun, but you don't really experience the atmosphere of a place until you go to visit it.
"And so we can't really experience our star's atmosphere unless we fly through it."
The Parker Solar Probe launched in 2018, heading toward the center of our solar system.
It has already passed by the Sun 21 times, getting closer and closer, but the visit on Christmas Eve is a record.
At its closest approach, the probe is 3.8 million miles (6.2 million km) from the surface of our star.
That might not sound that close, but NASA's Nicola Fox puts it into perspective: "We're 93 million miles from the Sun, so if you put the Sun and Earth a meter apart, the Parker Solar Probe is four centimeters from the Sun – so it's close.”
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