NASA has selected SpaceX to develop the Human Landing System (HLS) that will bring the "first woman and next man" to the Moon in 2024!
The post NASA...
And, still on the topic of secondary radiation, we know that the Apollo dosimeters had a fairly limited detection range for neutrons. Another reason...
An interesting thought. I am pretty sure spallation occurs and the neutrons produced may die off immediately but I am not sure that the neutron flux...