Word: erosion
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At the station in Arequipa, Peru, 3,919 photographs have been obtained by Professor Bailey with the 13-inch Boyden telescope. The meridian photometer has also been sent to Peru, for the observation of the Planet Eros. With the Bruce Photographic telescope, 6,174 plates have been exposed, including a...
At the spring meeting of National Academy of Sciences, held in the United States National Museum in Washington, April 15 to 18, the following were among the speakers: Professor T. W. Richards on "The Atomic Weight of Caesium," and "The Significance of Changing Atomic Volume;" Professor Alexander Agassiz on "Coral...
The annual report of the Astronomical Observatory, recently issued by Professor Pickering, reviews in detail the work of the department for the past year. It states that three important astronomical events have occurred since the last report: the opposition of the planet Eros, which brought the planet nearer to the...
Among the more important results of the investigations of the past year is the discovery of two new variables, three stars having peculiar spectra and the presence of hydrogen lines in the spectrum of V. Andromeda. The discovery of the variability of light of Eros has added greatly to the...
"Popular Science Monthly"--"Two Contemporary Problems in Education," by Professor Paul H. Hanus; "The Planet Eros," by Professor Solon T. Bailey.