CHAPTER 4: MEASUREMENTS AND UNITS ACTIVITY 3: COMPREHENSION


1 Search for ‘How Did NASA Lose a Mars Space Probe Because of Maths’ (7:42) on YouTube. Once you have watched it, answer the following questions. a. What year did the Mars Climate Orbiter (MCO) mission take place?


b. Name one other project NASA worked on in the same year as the MCO. c. What was the main goal of the MCO?


d. What type of units should Lockheed Martin have used?


e. What units were Lockheed Martin using?


f. How close was the MCO supposed to get to Mars on its first orbit?


g. What would happen if the MCO dipped below 80 km above Mars?


h. How close to the surface did the MCO go, according to NASA calculations? i. State one of the findings from the report into the incident.


UNIT 2: FUNDAMENTALS


21


PHYSICAL WORLD


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