Time To Get Serious About Gravity

A critical question regarding the settlement of space has been ignored for decades. When will we find out what partial gravity does to humans?

When the question of space colonisation arises, the impacts of long ISS flights on astronauts is sometimes raised as a criticism. The obvious problem with this is that nobody is proposing to colonise a weightless environment - all suggestions are for surface bases on the Moon/Mars or for rotating habitats in space that provide gravity. But, especially f…