Jones, H. Spencer (Harold Spencer), 1890- · London E. Arnold & co. · leaf 286
(Ii) fClITEK. 1S9I OCTOBIOK 12 … (c) Saturn. 191 i November 19. /; i:. na>-u^r,(. THE PLANETS 249 of the planet is not uniform across its disc, but decreasestowards the limbs ; the limb turned away from the Sun appearsthe darker of the two, but this is merely an effect of phase.The decrease at the other limb is due to the…
Astronomy
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