Bishop73

21st Oct 2018

First Man (2018)

Factual error: When Neil Armstrong drops the bracelet into the crater he lets it drop straight down. Yet the bracelet appears to fall a long way, implying a very sheer cliff, close to 90°. This is not natural for a lunar crater, as the maximum steepness of crater wall is determined by the material's angle of repose (how steep before it avalanches) which has typically been observed to be approximately 45° for lunar regolith.

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Suggested correction: "Not natural" and "typically" don't mean it's impossible. It's unlikely, perhaps, but unless it can be proven to be impossible, it can't be said to be a factual error.

"Not natural" in this sentence means not found in nature. Thus, it is impossible. Typical just means most often or, on average, but certain ranges can be impossible. If a high school does not allow students over the age of 25 to be enrolled, you could say the average age of a senior is around 17, but it could never be over 25. If you want to correct the mistake as being factually possible, you have to provide evidence or proof.

Bishop73

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