This year I enjoyed an opportunity to visit Exeter Cathedral and see Luke Jerram’s Gaia. In Greek Mythology Gaia is the personification of the Earth and Jerram’s Gaia is a touring artwork measuring 7 meters in diameter and created from detailed NASA imagery of the Earth’s surface. The artwork is 1.8 million times smaller than the real Earth with each centimetre describing 18KM of the Earth’s surface. Jerram claims that by standing 211m away from Gaia you can see the Earth as it appears from the moon.