...Not far off is a very curious star, β of Perseus, or Algol, whichforms a little triangle with two others smaller than itself... 
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...It was bysupposing the existence of a dark companion to Algol that its discoverer,Goodricke of York, in 1783, explained variable starsof this type...
George Forbes 「History of Astronomy」
...There are many variables of the Algol type, and information issteadily accumulating...
George Forbes 「History of Astronomy」
...Note the famousvariable Algol the Demon star...
William Tyler Olcott 「A Field Book of the Stars」
...Allthe circumstances can thus be accounted for, and even the weight and thesize of Algol and its dark companion be determined...
Robert Stawell Ball 「The Story of the Heavens」
...Assuming the orbit to be circular,the velocity of Algol was found to be twenty-six miles per second...
Robert Stawell Ball 「The Story of the Heavens」
...It is to the second of these types that Algol is supposedto belong...
Cecil G. Dolmage 「Astronomy of To-day」
...There are at the present time (1901) 34 spectroscopicbinaries known, including among them such stars as Polaris,Capella, Algol, Spica, βAurigæ, ζUrsæ Majoris, etc...
George C. Comstock 「A Text-Book of Astronomy」
...The Algol variables...
George C. Comstock 「A Text-Book of Astronomy」
...In this case, atany rate, the conjecture hazarded about Algol, that the star revolvesaround a dark central orb, would be insufficient to account for theobserved variation...
Richard A. Proctor 「Half-hours with the Telescope」
...An interesting variable,of the type of Algol, is λ, which at maximum is ofmagnitude three and four tenths and at minimum of magnitudefour and two tenths...
Garrett Serviss 「Pleasures of the telescope」
...The diameter of Algol is believed to be about1,125,000 miles, that of the dark body about 840,000 miles,and the mean distance from center to center 3,230,000miles...
Garrett Serviss 「Pleasures of the telescope」
...But all variable stars do not suffer the suddenvariations of Algol...
George Forbes 「History of Astronomy」
...—A line drawn from the star γ Pegasi to Algol in Perseuspasses through β Trianguli...
William Tyler Olcott 「A Field Book of the Stars」
...The variable star Algol orCaput Medusæ, which marks the head of Gorgon, was accounted 'the mostunfortunate, violent, and dangerous star in the heavens...
Richard A. Proctor 「Myths and Marvels of Astronomy」
ランダム例文：
resuscitating milker hunter
便利！手書き漢字入力検索