Hal Hodson thinks that this photo is the greatest photo ever taken:
When I first saw this image I was blown away. I was in third year of university, studying astrophysics. For any Hitchhiker’s Guide to the Galaxy fans out there, this was my Total Perspective Vortex. It smeared my ego on a map so huge that I, Hal, had no meaning. This image took my personal sense of perspective and effortlessly obliterated it.
Read more of his compelling argument here.