In starry realms
1912
The heat of the sun.--Expenditure and supply.--How the heat is kept up.--What we owe to the sun.--The constant face of the moon.--The moon's history.--The lunar world.--A visit to an observatory.--An evening with the telescope.--Note on nubulae.--Venus and Mercury.--Mars as a world.--The greatest planet.--The names of the planets.--A falling star.--Fire-balls.--Showers of shooting stars.--The number of the stars.--The extent of the sidereal heavens.--The movements of the stars.--Photographing the stars.--An astronomer's thoughts about Krakatoa.--Darwinism and its relation to other branches of science