The happiness of the domestic fireside is the first boon of Heaven; and it is well it is so, since it is that which is the lot of the mass of mankind. – Thomas Jefferson, 1813
When we see the shadow on our images, are we seeing the time 11 minutes ago on Mars? Or are we seeing the time on Mars as observed from Earth now? Its like time travel problems in science fiction. When is now when was then? – Bill Nye