Astronography, or, Astronomical geography, with the use of globes : arranged either for simultaneous reading and study in classes, or for study in the common method (1854)
is in the sameplane as the centres of the Earth and of the woodenHorizon, which are both in the plane of the Earths Or-bit. We are not now to be observers in a geocentricposition—that is, on the Earths surface, attending tomere appearances—but we must imagine ourselves tooccupy a heliocentric… … 5. Now, we will move the Globe around the lamp in amanner to explain how the annual revolution of the Earth,with this inclination of the Axis, causes the succession ofthe four seasons. We must fancy this wooden plane tobe nothing but an imaginary one, and of course obstruct- 4. What farther…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
