Suddenly, though, just as the procedure was about to be relayed to the astronauts, the pressure . . . the temperature . . . drop
ped! And . . . stayed down. The frozen slug, apparently, had melted! (Probably due to the extreme heat in the fuel line.) Problem solved. —Team Moon: How 400,000 People
Landed Apollo 11 on the Moon,
Catherine Thimmesh
Why does the author include the NASA scientists’ attempts to fix the fuel line?
to show that not all problems need to be solved
to show that the scientists’ hard work had not paid off