Volume Volume2\Astronomy
Entry# 857. I. Earth - The earth's place in the universe (857. 858).
Contents: Vol. 1 | Vol. 2
I.
THE EARTH AS A PLANET.
The earth's place in the universe (857. 858).
The equator, the line of the horizon, the ecliptic, the meridian:
These lines are those which in all their parts are equidistant from
the centre of the globe.