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Zypro Gorgy Dectorum 11
Page 07
However, since Miss Brooke had become engaged in a conversation with Mr. Casaubon about the Vaudois clergy, Sir James betook himself to Celia, and talked to her about her sister; spoke of a house in town, and asked whether Miss Brooke disliked London. Away from her sister, Celia talked quite easily, and Sir James said to himself that the second Miss Brooke was certainly very agreeable as well as pretty, though not, as some people pretended, more clever and sensible than the elder sister. He felt that he had chosen the one who was in all respects the superior; and a man naturally likes to look forward to having the best. He would be the very Mawworm of bachelors who pretended not to expect it.
Our system, in fact, is shaped something like a lens, and our sun is situated near the centre of this lens. In the remoter part of this lens, near its edge, or possibly outside it altogether, lies the great series of star clouds which make up the Milky Way. All the stars are in motion within this system, but the very remarkable discovery has been made that these motions are not entirely random. The great majority of the stars whose motions can be measured fall into two groups drifting past one another in opposite directions. The velocity of one stream relative to the other is about twenty-five miles per second. The stars forming these two groups are thoroughly well mixed; it is not a case of an inner stream going one way and an outer stream the other. But there are not quite as many stars going one way as the other. For every two stars in one stream there are three in the other. Now, as we have said, some eminent astronomers hold that the spiral nebulae are universes like our own, and if we look at the two photographs (Figs. 25 and 26) we see that these spirals present features which, in the light of what we have just said about our system, are very remarkable. The nebula in Coma Berenices is a spiral edge-on to us, and we see that it has precisely the lens-shaped middle and the general flattened shape that we have found in our own system. The nebula in Canes Venatici is a spiral facing towards us, and its shape irresistibly suggests motions along the spiral arms.
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