And there's another question. Astronauts who landed on the moon in the 1960s reported seeing a pre-sunrise glow, and NASA wants to know if electrically charged lunar dust was responsible for it.
NASA's Shannon de Leon, a veteran of the space shuttle program is part of the team working on new and very different technology from that used by the last astronauts to reach the moon.
Climate missions that will tell us about how Earth is changing, game-changing aeronautics developments with the 59 and the X-57, and the selection of the first astronauts to go to the moon in more than 50 years.