Moulton, Forest Ray, 1872-1952 · New York, The Macmillan company · leaf 496
planets now revolve; the dimensions ofthe solar atmosphere were maintained mostly by gaseousexpansion of the highly heated vapors, and only slightlyby the centrifugal acceleration due to the rotation; as themass lost heat by radiatixin, it jjontracted under the mutualgravitation of its parts;_… … 450 AN INTRODUCTION TO ASTRONOMY [ch. xu, 262 trif ugal acceleration at the equator equaled the attraction bythe interior parts and an equatorial ring was left behind, theremainder continuing to contract; a ring was abandopedat the distance of each £lanetjL..a ring coiLld_^^ have had absolute…
Astronomy
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