I think we all get that we are but miniscule elements in a vast universe, perhaps but one universe among many. Perhaps this sense of awe underlies much of spiritual and religious practices around the world. I was recently reminded of this provoker of humility by this photograph.

 Source: Nasa  http://www.acienciasgalilei.com/program/fondosescrt/saturno4-cassini-800.htm

If you look very, very closely you can see Earth near the upper gray ring at about the 280° position. If you increase the size …