Will Smith’s new space movie, “After Earth”, is out in theatres now.
In the movie, the Smith men set out from the home planet in a space ship, which explodes while in transit.
The two get stuck on Earth, as it will be 1,000 years in the future, after humans have left.
While on Earth sound propagates well through the molecules in the air, scenes in space should be soundless, since there are no molecules in a vacuum to transmit sound. That means, the crash that stranded the Smiths should have been soundless.
Now you know.
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