Planetary Phenomena for May and June, 1907

M. McNeill
1907 Publications of the Astronomical Society of the Pacific  
8o Publications of the of approach, at the same time broadening the lines. It will be easy for the reader to determine the effect of a motion of either kind in a streamer making a given angle with the observer's line of sight, and space will not be taken here to summarize further the general effect. It is evident that a dark-line spectrum, if one of sufficient density and dispersion could be obtained, would be of great complexity. However, a knowledge of the motions within the corona would
more » ... e corona would doubtless be our most effective power in determining the origin of the corona, and the subject should not be abandoned as hopeless.
doi:10.1086/121725 fatcat:222b5fhhpnb2jiv234fvxxxl44