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"Whew!" Seaton whistled, "no wonder you folks know something! With that start, I believe I might know something myself! As an astronomer, you may be interested in this star-chart and stuff or do you know all about that already?"
"Now, until we have acquired a certain amount of ability" examining the books more closely "our best chance will lie in the neighborhood of a giant star known to us as Capella." "Capella." Billie had drawn a star-chart to her side. "Where is that located?" "In Auriga, about half-way from Orion to the Pole Star. She's a big yellow sun.
But that there is something unusual to be seen is evident, for the astronomer breathes quickly, and after another earnest scrutiny of the object which has attracted him, he rushes into the observatory, searches for a star-chart, and examines attentively that part of the sky at which he has been gazing.
He then consulted Bremiker's great star-chart, the part just engraved and finished, and, sure enough, no such star was there. Undoubtedly it was the planet. Adams heard it at Cambridge, and realized that in so far as there was competition in such a matter England was out of the race. It was an unconscious race to all concerned, however. The French scientists knew nothing of the search in England.
Bremiker had just completed a star-chart of the very part of the heavens including Le Verrier's position; thus eliminating all of Challis's preliminary work.
Crane at the star-chart of the Galaxy and Orlon at the Fenachrone operator's dispatching scroll rapidly worked out the approximate positions of the Fenachrone vessels, and marked them with tiny green lights in a vast model of the Galaxy which they had already caused forces to erect in the air of the projector's base.
The instrument employed by them is constructed on the polarising principle as adapted by Zöllner. Photographic photometry has meanwhile risen to an importance if anything exceeding that of visual photometry. For the usefulness of the great international star-chart now being prepared would be gravely compromised by systematic mistakes regarding the magnitudes of the stars registered upon it.
One section of the film was always under the viewing mechanism an optical system projecting an undistorted image into a visiplate plate somewhat similar to their own and at the touch of a lever, a small atomic motor turned the reels and moved the film through the projector. It was not an ordinary star-chart: it was three-dimensional, ultra-stereoscopic.
Ptolemy has been accused of taking the star-chart of his great predecessor without due credit, and indeed it seems difficult to clear him of this charge. Yet it is at least open to doubt whether he intended any impropriety, inasmuch as he all along is sedulous in his references to his predecessor. Indeed, his work might almost be called an exposition of the astronomical doctrines of Hipparchus.
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