"At last, in 1949, the... ... was ready... Humason... succeeded in photographing the spectra of two remote galaxies in…"

"[I]n... 1952, Baade... announced that Hubble’s entire distance scale was in error... According to Baade, the distance…"

"An important new survey of the law relating red-shifts and magnitudes published in 1956 by Humason, Mayall and Sandag…"

"As for Hubble’s brightest star criterion, Sandage... has shown that objects in the of galaxies which Hubble believed …"

"If a distant galaxy is moving relative to us, its entire is Doppler-shifted in frequency. Its s are displaced relativ…"

"All kinds of questions remain. Many have to do with cosmology. How did the universe originate? How did the galaxies b…"

"All of this picture of the expansion is exciting, pleasant, coherent, well in order. But what if the s are not to be …"

"This circumstance of an expanding universe is irritating. ...To admit such possibilities seems senseless to me."

"Red-shifts are produced either in the nebulae, where the light originates, or in the intervening space through which …"

"A book, too, can be a star, explosive material, capable of stirring up fresh life endlessly, a living fire to lighten…"