• Define the term “NEA”.
• What is “Bennu”? Should we be concerned about it? Explain briefly.
• What was the aim of the DART mission? How do we know the mission was successful?
(Answer this item with reference to the concepts of inertial motion, gravity and centripetal force as it was discussed in the lecture videos. Which of these three things did the mission aim to modify?)
• Look at the graph in Slide Four of the Source 13 presentation. In total, about how many NEAs have been discovered as of 2020. List the FIVE points shown in white capital letters in Slide Five that should be part of a Planetary Defense program.
