We Do Not Know Why

Science Is The One Human Activity That Is Totally Progressive.

Equipped With Our Five Senses - Along With Telescopes And Microscopes And Mass Spectrometers And Seismographs And Magnetometers And Particle Accelerators And Detectors Sensitive To The Entire Electromagnetic Spectrum - We Explore The Universe Around Us And Call The Adventure Science.

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.

There We Measure Shadows, And We Search Among Ghostly Errors Of Measurement For Landmarks That Are Scarcely More Substantial.

Observations Always Involve Theory.