Jones, H. Spencer (Harold Spencer), 1890- · London E. Arnold & co. · leaf 296
Fig. 83.—Spectroscopic Observation of Saturns Rings. shown above the planet. The portion AB of a hue is dueto the planet; the end B, corresponding to the hmb whichis receding from the observer, is displaced relatively to thecentre towards the red, and the end A, corresponding to thelimb which is… … (a) Thkke Minor Pi.ankt Trails.
Astronomy
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