The Source and Mode of Solar Energy Throughout the Universe

by Isaac W. Heysinger

Typical stages in development of a solar system. (Reproduced from nature. See [Chapter XIII].)—1. Newton’s comet, A.D. 1680. 2. Comet of 1811, from Guillemin. 3. Donati’s comet, 1858, from Proctor. 4. Nebula in ship Argo, from Flammarion. 5. Open spiral nebula in Virgo, Plate XV., Nichol’s “Architecture of the Heavens,” after Lord Rosse. 6. Plate XII. of same work, nebula in Canes Venatici: a partially closed spiral. 7. Frontispiece of same, an almost completed spiral, in the Lion, seen obliquely: rupture of convolutions preparatory to formation of planets. 8. Ideal solar system.

THE
SOURCE AND MODE
OF
SOLAR ENERGY
THROUGHOUT THE UNIVERSE.

BY
I. W. HEYSINGER, M.A., M.D.

ILLUSTRATED.
PHILADELPHIA:
J. B. LIPPINCOTT COMPANY.
1895.