The outstanding feature, however, is the possibility that the velocity-distance relation may represent the de Sitter effect, and hence that numerical data may be introduced into discussions of the general curvature of space. Edwin Powell Hubble More Quotes by Edwin Powell Hubble More Quotes From Edwin Powell Hubble Observations always involve theory. Edwin Powell Hubble environmental theory science We find them smaller and fainter, in constantly increasing numbers, and we know that we are reaching into space, farther and farther, until, with the faintest nebulae that can be detected with the greatest telescopes, we arrive at the frontier of the known universe. Edwin Powell Hubble know universe space numbers