rests in its divisions, the existence within it of factions that neutralize its efforts. This lack of central authority, he maintains, is against nature itself, for inanimate nature shows the beneficial effects of order even in the heavens, where the planets move through the sky in strict accordance with certain rules:
And therefore is the glorious planet
Sol In noble eminence enthroned and sphered
Amidst the other; whose med'cinable eye
Corrects the influence of evil planets,
- Act I, scene iii, lines 89-92
"Sol" is the Latin word for "sun" and is the personification of the sun in the Roman myths.
This passage sounds as though Shakespeare, through Ulysses' mouth, is proclaiming the sun to be the ruler of the planets, for he is "in noble eminence enthroned" and he governs and controls the others.
If so, this is a startlingly modern view, not only for Ulysses, but even for Shakespeare, for it seems to refer to the heliocentric theory of the solar system, which places the sun at the center and makes the planets (including the earth itself) revolve about it. The mere fact that the sun is at the center would make it appear to rule the planetary system (so that it is a solar system), and Isaac Newton eventually showed, some sixty-seven years after Shakespeare's death, that the sun's overwhelming gravitational force did, indeed, keep the planets in their place.
It is surprising that Shakespeare should seem to be giving this impression, for all through his plays he shows himself a complete conservative as far as science is concerned and accepts only the Greek view of the universe. To be sure, some Greeks, notably Aristarchus of Samos, about 250 b.c., claimed the sun was the center of the planetary system, but few listened to them, and the Greek majority view continued to place the earth at the center. This latter doctrine was made final by the grand synthesis of the astronomer Ptolemy, about a.d. 150. (The earth-at-center theory is therefore called the "Ptolemaic system" in consequence.)
In 1543 Copernicus advanced the same notion that Aristarchus once had, but with much more detailed reasoning. His view was not accepted by most scholars for a long time, and in Shakespeare's lifetime the Copernican view was still widely considered rather far out and blasphemous.
Can Shakespeare, then, be taking the progressive Copernican view against the conservative Ptolemaic attitude?
No! That he remains conservative is clear at several points. He refers, for instance, to the "planet Sol." The Greeks observed that several heavenly bodies shifted position constantly against the background of non-shifting of "fixed" stars. These bodies they called "planets," meaning, in English, "wanderers." The known planets included the sun, the moon, Mercury, Venus, Mars, Jupiter, and Saturn, seven bodies in all.
Once the Copernican view of the planetary system was established, it seemed unreasonable to call the sun a planet, since it didn't wander among the stars, really, but was thought to be the motionless center of the planetary system.
It fell out of fashion to call the sun a planet, therefore. The name "planet" was then applied only to those bodies which revolved about the sun. This meant that the earth itself would have to be viewed as a planet. The moon revolves about the earth, the only body to retain its Ptolemaic position, and it is not, strictly speaking, viewed as a planet any longer. It is a satellite. Of the Greek planets, therefore, only Mercury, Venus, Mars, Jupiter, and Saturn retain the name and to these are added the earth and the planetary bodies since discovered: Uranus, Neptune, Pluto, and a host of tiny bodies called planetoids or asteroids.
Shakespeare refers to Sol as a planet, however, thus insisting that the sun moves and is not the center of the planetary system. He has the sun not merely enthroned but also "sphered." That is, it is embedded in a sphere that encircles the earth (see page I-25), whereas if it were the center of the planetary system, it could not be part of a sphere.
Finally, in speaking of the necessity of order in the heavens, Shakespeare has Ulysses say, a bit earlier in the speech:
The heavens themselves, the planets, and this center
Observe degree, priority, and place.
- Act I, scene iii, lines 85-86
That makes a clear distinction between the planets and "this center," that is, earth.
If the sun is "in noble eminence enthroned," then, it is only because, in Shakespeare's view, it is the brightest and most magnificent of the planets and not because it has a central position.