interest. Stellar changes ot place andnebular alterations of form will indicate the lawsof the birth, the life, the death of worlds. At the close cdrthe year 1899 there were storedat Harvard Observatory 56,000 plates depictingthe heavens during every available night be-ginning with 1S86. Doublet… … Plate XVI.PHOTOGRAPH OF COMET BY DR. DAVID GILL, 1882With incidental portraiture of stars invisible in the telescope Photography of the Skies to bear images of Eros, impressed at intervalsfor years before the discovery of the asteroid atBerlin. These impressions indicate a considera-able portion of…
Astronomy · Geology
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