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Wandering Earth

I recently watched a film called Wandering Earth. This is a chinese film that was made in the future at around 2068, where the solar system is about to be engulfed by the sun so humans rocket Earth away. IMDB rates this film at 7.8/10, but I think otherwise. This film is science fiction. But the film is only set 50 years from now, so the solar system wouldn't change by a lot.
One of the biggest scientific errors in this movie is in the first part of the movie. The narrator says that in 300 years the sun would engulf the solar system, which makes no sense whatsoever. Right now it is believed that in over 4 billion years the sun will engulf the Earth, so it would be impossible for the sun to engulf the solar system in 300 years.
In another part of the movie, they tried to ignite Jupiter, but their rays were 5000 km short. They decided to ram something with 300,000 tons of gas into the rays to explode it. That explosion could then reach Jupiter. 4,500 tons of gas, when ignited, has a blast radius of 30 km. If you do the math, then an explosion of 300,000 tons of gas could only reach to a radius of 2000 km. There are many more scientific errors, including them constantly mentioning Jupiter's gravitational spike, even though the term 'gravitational spike' doesn't exist.


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