35. One becomes acquainted only in this way with the position occupied by our sun, or by the Earth in the starry expanse. These considerations will acquire greater weight still if we reflect that the Milky Way seen from afar represents only an imperceptible and inappreciable point in the immensity of the sidereal creations. Millions like it exist in space. It is a stellar nebula. If it appears to us richer and more immense than others, it is for this sole reason that it surrounds us, and develops itself in its extent under our very eyes; whilst the others, lost in unfathomable depths, are scarcely to be seen.