Moulton, Forest Ray, 1872-1952 · New York, The Macmillan company · leaf 341
of many thousands of miles, must have a very lowdensity; and it is improbable that anything which is visiblefrom the earth approaches the solid state. Dark spots often appear on Jupiter, especially in the north-ern hemisphere, which gradually turn red and finally van-ish. The most remarkable and… … Fig. 112. — Jupiter, Sept. 7, 1913 (Barnard). CH. IX, 179] THE PLANETS 295 30,000 miles long parallel to the equator. In a year it hadchanged to a bright red color and was by far the most con-spicuous object on the planet. It has since then been knownas the great red spot, but it has undergone many…
Astronomy
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
