Astronomy is something like the ministry. No one should go into it without a call. I got that unmistakable call, and I know that even if I were second-rate or third-rate, it was astronomy that mattered. 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