Chapter IV
Reading edition
CHAPTER IV.
Sunlight, its Source and Nature 29
Its limits—The solar cone—The sun not incandescent—New hypothesis—No borrowed light—The sun dependent—Light as a substance—Velocity of Light.
Reading edition
Sunlight, its Source and Nature 29
Its limits—The solar cone—The sun not incandescent—New hypothesis—No borrowed light—The sun dependent—Light as a substance—Velocity of Light.