This is a great article recounting several astronauts specific words about what they felt when they went up in space, what kind of mental transformation happened when they saw the space-bound view of Earth. Suddenly, they’re home is Earth, not just one part of Earth, any people in different countries that they’ve never even been to neighbors and friends alike. Aboard the International Space Station, the experience is really transformative to be eating a meal with astronauts from different countries, over the course of which the Station flies over each one of their own countries so fast.
20200625/https://getpocket.com/explore/item/six-nasa-astronauts-describe-the-moment-in-space-when-everything-changed
UPDATE: Non-pocket URL:
20200923/https://www.inverse.com/article/42902-nasa-astronauts-describe-overview-effect-everything-changed