But Luna 15 remained in lunar orbit for four days while its controllers checked the onboard systems and performed two orbital maneuvers. We come in peace for all mankind.
Before or after the discussion, students could read or listen to a short interview with Buzz Aldrin.
What possible problems, if any, did they miss? How successful do you think the Apollo team was in imagining all the things that could go wrong and preparing for them? Because of the risk and uncertainty inherent in space travel, this is a good lesson for introducing students to the concepts of over design and redundancy.
Lunar Surface Close-Up camera 7. The Soviet spacecraft entered lunar orbit on July 17, two days before Apollo 11 arrived. Having the rendezvous radar on so it was warmed up in case of an emergency landing abort should have been irrelevant to the computer, but an electrical phasing mismatch between two parts of the rendezvous radar system could cause the stationary antenna to appear to the computer as dithering back and forth between two positions, depending upon how the hardware randomly powered up.
Before students read this book, take a few minutes to gauge student knowledge about the mission by having a class discussion about the Apollo 11 Mission by asking them the following questions students will also answer these questions for Assessment.