href="@public@vhost@g@gutenberg@html@files@24883@[email protected]#FNanchor_3_3" class="pginternal" tag="{http://www.w3.org/1999/xhtml}a">[3] Appendix, p. 99.

[4] Appendix, p. 99.

[A] The earth's core constitutes nearly 98/100 of its entire mass.

Table of Contents

CHAPTER IV.

SUNLIGHT.

Its Source and Nature.

Sunlight is one of the products of that grand retro-action which is incessantly in operation between sun and earth, and is, in its intimate and essential nature, a vito-magnetic fluid[B] (or so-called magnetic). Subtle, and apparently intangible, manifesting itself rather as a presence than a real substance, it fills all the space between the sun and earth—which space may, with sufficient accuracy, be termed the solar cone or cone-space.

Its Limits.

Beyond the boundaries of the solar cone, no light is.