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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 Jan 11 2017.

Calpurnia
Answer has 3 votes
Currently Best Answer
Calpurnia
21 year member
75 replies

Answer has 3 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.'

See: [ url needs to be updated ]

Response last updated by satguru on Jan 11 2017.
Mar 09 2002, 7:19 PM
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