Moulton, Forest Ray, 1872-1952 · New York, The Macmillan company · leaf 372
l thus form atail for the comet. The repulsion will depend upon thesize of the particles and the electrical potential of the sun.After the negatively electrified particles have been drivenoff, the nucleus will be positively charged and, consequently,will be electrically attracted by the sun. But… … Fig. 124.- -Delavans comet, Sept. 28, 1914, showing a long, straight taUand one having considerable curvature (Barnard). 326 AN INTRODUCTION TO ASTRONOMY [ch. x, 198 Another theory which merits careful attention is that theparticles which constitute comets tails are driven off by thepressure of the…
Astronomy
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
