Read the passage from The Race to Space: Countdown to Liftoff.

It was just a few minutes after 9 PM, eastern time, on April 13, 1970, and the crew inside the Apollo 13 CSM were just winding down after broadcasting a tour of their ship live on national television. Astronauts Jack Swigert, Fred Haise, and Jim Lovell had spent the last hour carrying a TV camera around the CSM and LM, showing off in zero gravity, answering questions, and talking about all the cool stuff that was going on during their quest to become the third mission in history to land on the lunar surface. They'd been in space for over two days and were now more than halfway between the Earth and the moon. With the excitement over, the crew settled down to perform a little bit of routine maintenance as they rocketed toward their objective.

How does the context contribute to understanding the problem in the text?