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On a dark night, from how many km away can your eyes spot a match being struck?

Question #17049. Asked by Exhausted.
Last updated Jun 14 2023.

Calpurnia
Answer has 11 votes
Currently Best Answer
Calpurnia
23 year member
75 replies

Answer has 11 votes.

Currently voted the best answer.
An amazing 80 kilometres apparently, if I have done my maths correctly.
The sensitivity of the human eye is so keen that on a clear, moonless night a person standing on a mountain peak can see a match being struck as far as 50 miles away. Much to their amazement, astronauts in orbit around the Earth were able to see the wakes of ships.
link http://www.bibleufo.net/the-incredible-human-body/


Response last updated by gtho4 on Jun 14 2023.
Mar 09 2002, 7:19 PM
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