Mattison, Hiram, 1811-1868 · New York, Huntington and Savage, Mason and Law · leaf 95
COPIC VIEW OF JUPITER. more are sometimes vis-ible. [1. Much depends upon the powerof the instrument through which heis viewed. An ordinary telescopewill show the two main belts, oneeach side of his equator; but thoseof greater power exhibit more ofthese curious appendages. Dr. Her-schel once saw… … 401. Do these Belts appear permanent or fluctuating ? They sometimes continue without change for months,and at other times break up and change their forms ina few hours. 402. Are they regular or otherwise 1 They are quite irregular, both in form and apparentdensity ; as both bright and dark spots…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
