Keeping upright in a low-gravity environment is not easy, and NASA documents abound with examples of astronauts falling on the lunar surface. Now, a new study suggests that the reason for all these moon mishaps might be because its gravity isn't sufficient to provide astronauts with unambiguous information on which way is 'up'.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/a...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/a...