How Do they Know ours is a Zero Energy Universe? Stephen Hawkings has been quoted as saying the total energy in the Universe is zero. How would he ever have worked that out when you can't tell how large the Universe is and all this Dark Energy wasn't even thought of at the time? Other complications: Dark matter? Heat radiation? Angular momentum of the Universe? Matter? Gravitational Potential Energy? (-ve energy) Can we do an energy balance of the universe?Please Register or Log in to view the hidden image! PS: The words religion, God or dream or anything like that won't come into it (from me). OK but there has to be team work to do this Energy Audit of the Universe. Join in please.