Myth Debunked: What causes the microgravity environment on board the ISS?

The ISS in its early days, back in 2001. Photo: NASA

The concept of ‘zero-G’ in space is something that most are familiar with, with astronauts floating around in the ISS being a familiar sight.Contrary to popular belief, however, astronauts do not experience this microgravity environment due to them being too far away from the surface of the Earth.In fact, at the orbital altitude of the...