NASA Can Reduce Extragalactic Distance Measurements From 10% to Less than 1%
by Brian Wang from NextBigFuture.com on (#6HRJR)
Dark Energy is inferred based upon distance and other measurements which could have 10% errors. Measurements of the distance to extragalactic sources allow us to infer the major energy constituents of our Universe. Two decades ago such measurements revealed that most of the energy in the Universe is in `dark energy' - a discovery that ...