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Lockyer's hypothesis supposes that there are some eight or ten cyclones continually revolving at a rate of about 10° of longitude a day, and he imagines them to extend from the 40th parallel to beyond the 60th, thus giving the strong westerly winds in the forties and easterly and southerly in 60° to 70°. Beyond 70° there appears to be generally an irregular outpouring of cold air from the polar area, with an easterly component significant of anticyclone conditions.
He then continues: "According to Sir Norman Lockyer's Meteoritic Hypothesis, nebulae, comets, and many so-called stars consist of swarms of meteorites which, though normally cold and dark, are heated by repeated collisions, and so become luminous.
The fashion, no doubt, had its origin when Sir Norman Lockyer's theories, about Stonehenge as a Sun Temple placed so that the first rays of sun on the longest day of the year should fall on the centre of the so-called altar or sacrificial stone placed in the middle of the circle, began to be noised about the country, and accepted by every one as the true reading of an ancient riddle.
It is of the highest interest to note, however, that the multitudinous observations bearing upon each of these topics during the past decade have tended, in Professor Lockyer's opinion, strongly to corroborate each one of these opinions.
Lockyer's researches make it clear that in the main the temples of Egypt were oriented with reference to the point at which the sun rises on the day of the summer solstice. The time of the solstice had peculiar interest for the Egyptians, because it corresponded rather closely with the time of the rising of the Nile.
All this, clearly, is but an amplification of that nebular hypothesis which, long before the spectroscope gave us warrant to accurately judge our sidereal neighbors, had boldly imagined the development of stars out of nebulae and of planets out of stars. But Lockyer's hypothesis does not stop with this.
They showed further from evidence independent of that obtained by Young in 1892 the remarkable conspicuousness in spot-spectra of vanadium lines excessively faint in the Fraunhofer spectrum. Lockyer's "unknown lines" may probably thus be accounted for. They represent absorption, not by new, but by scarce elements, especially, Father Cortie thinks, those with atomic weights of about 50.
Scanty as the supply of the water is throughout this district, it becomes still scantier further inland. 22nd. I commenced my return, and followed a new road called Lockyer's Line, along which the country is rather more hilly and picturesque. This was a long day's ride; and the house where I wished to sleep was some way off the road, and not easily found.
But the nebulae have other affinities not until recently suspected; for the spectra of some of them are practically identical with the spectra of certain comets. The conclusion seems warranted that comets are in point of fact minor nebulae that are drawn into our system; or, putting it otherwise, that the telescopic nebulae are simply gigantic distant comets. Lockyer's Meteoric Hypothesis
As for Nan, she honestly did not care to which train of admirers he might attach himself whether he was to be Mary's captive or Edith's slave. But she was disappointed. 'I did think he was a little bit different from the others, she would say to herself; and then she would turn to Mr. Lockyer's last discoveries in spectrum analysis. 'Nan, do you see that ship out there? said Mary Beresford.
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