D07 - Sustainable Human Space Exploration

Q.1
NASA is ensuring that the United States fosters a safe, robust, affordable, and sustainable space program by which of the following methods?

Q.2
According to Dr. Sacksteder, in the current generation’s lifetime (say, during the next 30-50 years), a technology that is already in development will become a sustainable and efficient possibility for completely solving our energy problems. This technology involves collecting ________ out of the air and turning it into _______.

Q.3
According to Dr. Sacksteder, a remote orbiting satellite has detected elements in the moon’s south pole crater cold trap that have the potential to be used as a source of propellant mass for launching back off the moon, refueling satellites, or to go to Mars. Which of these elements did Dr. Sacksteder refer to as having the greatest potential and supply for creating propellant mass?

Q.4
According to Dr. Sacksteder, which of the following benefits of exploring the destination of near earth asteroids does he think is the most important?

Q.5
According to Dr. Sacksteder, nearly everything in NASA’s vision of space exploration will require which of the following?