...A binary system of counting is shown in the following numerals:—... 
Robert W. Williamson 「The Mafulu」
...You may convert to and distribute this work in any binary, compressed, marked up, nonproprietary or proprietary form, including any word processing or hypertext form...
James Stevenson 「Ceremonial of Hasjelti Dailjis and Mythical Sand Painting of the」
...So we find parallax, proper motion, doublestars, binary systems, variable stars, and new stars all bound together...
George Forbes 「History of Astronomy」
...While the stars in general appear to travel independently of one another, except when they are combined in binary or trinary systems, there are notable exceptions to this rule...
Garrett Serviss 「Curiosities of the Sky」
...The star selected by Bessel is a binary known as 61 Cygni, thecomponents being of magnitudes 5·5 and 6 respectively...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...The common centre of gravity of a binary system is situated on a linebetween both stars, and distant from each in inverse proportion to theirrespective masses...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...Our knowledge of binary star systems brings us to what may be regardedas the threshold of the fabric of the heavens...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...the primary andsecondary of a binary system are each resolvable into two, forming twopairs, each pair being in mutual revolution, while they both gravitateround their common centre of gravity...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...This has been actually shownto be true in many binary stars; it is believed to be true in all...
Robert Stawell Ball 「The Story of the Heavens」
...One of the finest binary stars is that known as Castor, the brighter ofthe two principal stars in the constellation of Gemini...
Robert Stawell Ball 「The Story of the Heavens」
...We cannot,however, assert that Mizar is a binary, inasmuch as observations havenot yet established the existence of a motion of revolution...
Robert Stawell Ball 「The Story of the Heavens」
...It is only in the case of binary systems that we can discover the massesof stars at all...
Cecil G. Dolmage 「Astronomy of To-day」
...The components of this celebrated binary are both nearlyof the third magnitude, distance about 5...
Garrett Serviss 「Pleasures of the telescope」
...The star 25 (Σ 1768) is a close binary with a periodestimated at one hundred and twenty-five years...
Garrett Serviss 「Pleasures of the telescope」
...Not far distant is another binary, atpresent beyond our powers, η...
Garrett Serviss 「Pleasures of the telescope」
...The first named is a binary whoseperiod has not been definitely ascertained...
Garrett Serviss 「Pleasures of the telescope」
...They form a binary system ofunknown period...
Garrett Serviss 「Pleasures of the telescope」
...Sweeping a little way northward we comeupon an interesting binary, λ, which is unfortunately beyondthe dividing power of our largest glass...
Garrett Serviss 「Pleasures of the telescope」
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