COSMOS: Voyages In Space and Time


How can we prove that the speed of light is not relative?



What would happen if it is?




What are the two main ideas (postulates) of special relativity?




How did Einstein think of these ideas?




How do objects change that travel close to the speed of light?








What would happen if we could travel beyond the speed of light?




How can the speed of light help us in space travel?




How is evolution similar to relativity?