Throughout the previous five decades of manned spaceflight, astronauts and cosmonauts have reported that their direct perception of space, and the Earth hanging in it, produced unexpected emotional reactions and intellectual, perspective, perceptual and paradigm shifts.
These shifts naturally included a greater and more accurate sense of the reality of the universe and the nature of the Earth as a planet in space. But it often included new or intensified insights into how this re-contextualizing from “life in the world” to “life on a planet” changed their understanding of many other aspects of life, from the environment to politics to resources, energy and humanitarian issues in general.
Several astronaut descriptions of their Overview experiences are as follows: