It is, however, often taken to mean that the whole habitable earth was visible. This could never be unless the sun, as well as Dante, was over the meridian of Jerusalem, which is obviously impossible while one is in Aries and the other in Gemini; and as he refers back to the first passage from the second he cannot have forgotten this.[508]
Fig. 50. An impossible interpretation of Par. xxvii.
A book which aims at explaining Dante’s Paradiso to young people[509] suggests an original way of reconciling the two passages, for the author gravely asserts that the sun was at first below Dante’s feet in Gemini, but that by the time he looked down again it had moved a good distance onward, and was then in the sign of Taurus! According to this, a whole month must have elapsed, and time had gone backwards, from May to April!
A suggestion much more worthy of attention is that of Professor Rizzacasa d’Orsogna, who thinks the key is to be found in the line, “Volgendom’ io con gli eterni Gemelli.” This, he suggests, is in anticipation of the second passage, for although Dante could not see the whole habitable earth at any one time, his change of position, as he revolved with the Twins, enabled him to do so in the course of time which elapsed between his two views. A comparison of figures 48 and 49 will make this clear.
One more suggestion may perhaps be made, though it is rather a hazardous one. “Dai colli alle foci”[510] may mean from the Apennine Hills to the mouths of Ganges. This would be decisive for the correctness of the explanation illustrated by our diagram. ([See fig. 48]).
In any case, the points which Dante specially wishes us to understand are clear and simple: at the first glance he was struck by the insignificance of the Earth; at the second, he became conscious that he was moving with the spheres, having passed over 90° of arc, or a quarter of the diurnal revolution, and he saw that it was now sunset at Jerusalem.
He next ascends to the Primum Mobile, though he cannot tell us to which part of it Beatrice chose to lead him, since it is perfectly uniform throughout. Beatrice explains that this most swift and living sphere, although it contains no star by which its motion is made visible, causes the (diurnal) motion of all the lower spheres; and thus it is like a flower-pot in which are hidden the roots of Time, while in the others we see the leaves. Here he sees the nine hierarchies of angels who direct the nine moving spheres; and finally he soars to the Empyrean, where Beatrice returns to her seat among the blessed spirits who form the Celestial Rose, and St. Bernard encourages him to lift his eyes to “L’Amor che move il sole e l’ altre stelle.”[511] This is the end and consummation of the Vision.
The reader will have observed that although there are several indications of direction in Dante’s journey through Paradise, all referring to the heavenly bodies, there are no time references after he has left Earth and entered the regions of eternity, except the passage discussed above, which indicates a period of six hours spent in the eighth heaven, since 90° of the diurnal revolution correspond with six hours of time. But it tells us also that at the close of this period the sun was setting over Jerusalem: consequently another morning was dawning in Purgatory. Eighteen hours have passed, therefore, since Dante left the Earthly Paradise at noon; and he rises to the Primum Mobile and thence to the Empyrean on the eighth day of his Vision.