On This Day: Mariner program: NASA launches the Mariner 10 toward Mercury. On March 29, 1974,... (1973)

On November 3, 1973: Mariner program: NASA launches the Mariner 10 toward Mercury. On March 29, 1974, it becomes the first space probe to reach that planet.

This historical event can serve as a powerful sermon illustration about God's creation and human discovery. Consider using it when preaching about discovery.