THE SUN.

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magnitudes of the orbits of binary and other stellar systems ;when we note that an error in our estimate of its value of only90,000 miles (or about a part) affects our calculation

of the distance of the nearest star to the extent of about20,000,000,000 miles ; we surely ought to use every possiblemeans to secure its accurate determination.

Englishmen will, we trust, grudge no expense that may henecessary for the observations of 1882, nor for the due investi-gation and application of any opportunities th»t may occur forthe use of other methods.

The results of December 8th, 1874, although very important,may not have been quite so successful as it was hoped they mightbe. But the experience then gained, both with regard to eyeand to photographic observations, may prove to be exceedinglybeneficial in 1882. We may meet with a success surpassingour best expectations. In any case, the true spirit of scienceis to neglect no opportunity and to spare no pains in acquiringknowledge. It is to those who woo her in this spirit thatshe reveals her most precious secrets.