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Rigge v. Dean exchange on Halley’s Comet and Pope Callixtus III
The Rigge v. Dean exchanges were a series of articles between Fr. William Rigge, S.J. and John Dean debating the historicity of the stories surrounding Pope Calixtus III and Halley's Comet that appeared in Popular Astronomy ...
Dates of Easter for Two Thousand Years
First Paragraph: | Whenever we take up the calendar of a new year our first inquiry is concerning the date of Easter, since its position regulates the dates of all the movable feasts of the year. This is as it ought to be.
Cuspidal Envelope Rosettes
First Paragraph: | A point P moves in the line segment EG, Fig. 1, with simple harmonic motion of p cycles, while this segment makes q revolutions about A with uniform angular speed. Moritz has exhaustively treated the ...
Realm of Science November 20th 1914
First Paragraph: | The latest volume of the Annals of the Zo-se Observatory in Zi-ka-wei, near Shanghai in China, was received recently and is more than usually interesting. It is for the year 1911, and consists of four ...
Realm of Science October 20th 1913
First Paragraph: | Three very important scientific meetings have lately been held in Europe. The first was that of the International Union for Solar Research which was convened in Bonn, Germany, from July 30th to August ...
Realm of Science April 20th 1916
First Paragraph: | The reform of our present calendar is a subject on which probably more printers’ ink has been wasted during recent years than on any other. Each scheme proposed—and there are at least seventy-two of them, ...
Realm of Science December 20th 1917
First Paragraph: | A short time ago a little boy about ten years old asked me this question, “What makes the stars shine!” I dare say that most of us would feel somewhat puzzled in an attempt to give a simple and satisfactory ...
The Columbus Eclipse
First Paragraph: | In Windsor's “Christopher Columbus” on page 465 the following incident is related. | “Columbus now resorted to an expedient characteristic of the ingenious fertility of his mind. His astronomical tables ...
Realm of Science January 20th 1918
First Paragraph: | In a recent number, l’Astronomie, the official journal of the Societe Astronomique de France, mentions the case of a French soldier who though captured by the Germans, contrived to escape from his prison. ...
First Paragraph: | Part I. The Old Society, 1540-1773 | In the following pages I have attempted to jot down a few notes concerning the Jesuits of the 17th and 18th centuries and their relation to astronomy: I say notes, ...