Table of Contents
How Long Has the Sun Shone and How Long Will it Continue to Shine?
Note on Sir William Thomson's Arguments for the Age of the Earth
New Method of Calculating the Duration of Geological Periods
Origin of Solar and Sidereal Heat
Recent Science
Lunar Disturbance of Gravity
Earth Tremors
Underground Temperature
Lord Kelvin on the Age of the Earth
The Age of the Earth
The Temperature of the Earth's Interior
Some Recent Advances in General Geology
Halley on the Age of the Ocean
The Age of the Ocean
The Birth-Time of the World
Sea-Salt and Geologic Time
The Age of the Earth
How Old is the World?
Chalk Flints and the Age of the Earth
Origin of Radium
Changes in the Earth
Uranium and Geology
Underground Temperature and Radium
Some Cosmical Aspects of Radioactivity
Radium and Earth History
The Length of Geological Epochs
Radium and the Evolution of the Earth's Crust
The Heavens in June, 1921
How Old Is the Earth?
Radioactivity and Time
The Earliest History of the Earth
The age of the Earth
Theory of the Earth
Estimates of Geologic Time
The Age of the Earth
The Age of the Earth
The Age of the Sun and the Earth
The Age of the Earth
How Old is the World?
The Age of the Earth
Concerning the Age of the Earth
The Age-of-the-Earth Debate
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