For an observer standing on the ground with h = 2 meters (6 ft 7 in), the horizon is at a distance of 5 kilometers (3.1 mi).
The Earth curves about 8 inches per mile. As a result, on a flat surface with your eyes 5 feet or so off the ground, the farthest edge that you can see is about 3 miles away
Humans can see from 380–740 nanometers (nm)
So, the answer is no, if you can only barely see 3 miles away, then you wouldn't be able to read the name of a boat 3.1 miles away.
jealous and doesn’t want to see the man she loves with another woman
The lesson shows the hardworking character of Mr Cavor and how determined he is to achieve the goals he wants to achieve.
<u>Explanation:</u>
First men in the moon talks about a character Mr Cavor who makes his own space ship because of his abilities, intelligence as he is a brilliant British scientist. In that takes a round to the space to the moon in his own created space ship.
In the travelling to the moon, he is also accompanied by two other men and they are all shown to be very hard working, determined and focused on their working.
It was Dave. He was suffering an illness while working and they noticed it so he had to be put down...