You must have seen such a “well” in the fair, which is a large cylindrical structure in which motorcycles or cars are driven on a round vertical wall. This wall is called the Wall of Death and the astronauts going to the Moon will be given training on a similar “Wall of Death” which will prevent them from going to the Moon in a weak condition. The difference in gravitational loads means astronauts spending long periods of time on the lunar surface will need additional technology to stay fit and…
Read More