The Guardian has a great article on an event that changed the world. It changed our perspective on how we viewed ourselves. It's from 50 years ago this past Christmas and for those of us who can actually remember it's initial impact it was special. It really made real that our planet is a finite resource, quite small and precious in the vastness of space....
Here is a link to the article:
https://www.theguardian.com/science/2018/dec/21/earthrise-photo-at-50-apollo-8-mission-space-nasa?utm_medium=sundayedition.20181223.421.2&utm_source=email&utm_content=article&utm_campaign=10-for-today---4.0-styling