One Of The Most Striking Results Of Modern Investigation Has Been The Way In Which Several Different And Quite Independent Lines Of Evidence Indicate That A Very Great Event Occurred About Two Thousand Million Years Ago. The Radio-active Evidence For The Age Of Meteorites; And The Estimated Time For The Tidal Evolution Of The Moon's Orbit (though This Is Much Rougher), All Agree In Their Testimony, And, What Is Far More Important, The Red-shift In The Nebulae Indicates That This Date Is Fundamental, Not Merely In The History Of Our System, But In That Of The Material Universe As A Whole.
