You can see it. But think about it – without the help of so-called "experts", how do you really know what you’re looking at? It could be a hologram, projected from various government installations throughout the world. It could be a large, crudely painted balloon, held in place by helium and propelled by tiny sails and rudders (which is why it moves across the sky so slowly). Or, most likely, it could have been different things at different times and different places, depending on the technology available to the conspirators and the culture and beliefs of the population being deceived.