After John Glenn was the first American astronaut to orbit the earth, he met with the Soviet astronaut Titov. The Russian asked him sarcastically if he had somehow met God in his spaceflight. Glenn responded that he believed in a God that you couldn’t see from the window of a space capsule. And so John Glenn spoke for modern Christians, because when you consider what Christians have believed about God for 2,000 years, the idea that you’d go up in the air and not see God is a modern idea indeed.

In the Bible people didn’t believe the world was round. Our ancestors of faith didn’t perceive that planets orbit the sun. They didn’t know about the speed of light, black holes, quarks, supernovas, and other such modern discoveries. They thought of the physical universe in three layers: Below us w…