The solar system is situated in a region of the universe, every point of which has a common and constant temperature, determined by the rays of light and heat which proceed from the surrounding stars. This low temperature is a little below that of the polar regions of the earth.

— Joseph Fourier On the Temperatures of the Terrestrial Sphere and the Planetary Spaces (1827)

More quotes by Joseph Fourier

The Analytical Theory of Heat (1822)

Theorie analytique de la chaleur (1822)

On the Temperatures of the Terrestrial Sphere and the Planetary Spaces (1827)

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