Observations Always Involve Theory.

The Great Spirals, With Their Enormous Radial Velocities And Insensible Proper Motions, Apparently Lie Outside Our Solar System.

Equipped With His Five Senses, Man Explores The Universe Around Him And Calls The Adventure Science.

The Universe Is Unfolding As It Should.

The History Of Astronomy Is A History Of Receding Horizons.

Science Is The One Human Activity That Is Truly Progressive. The Body Of Positive Knowledge Is Transmitted From Generation To Generation.