Stars and telescopes; a hand-book of popular astronomy founded on the 9th ed. of Lynn's Celestial motions (1901)
Todd, David P. (David Peck), 1855-1939, Lynn, William Thynne, 1835-1911 · Boston, Little, Brown · leaf 305
ers Catalogue) abundance elsewherein space. He pointsout that the double stars are remarkable for twofundamental facts: (1) The large mass-ratios of thecomponents, so that the masses are often nearlyequal and always comparable; and (2) the higheccentricities of their orbits. Among all known… … THE FIGURE OF POINCARE original solar nebula is embraced in the Sun, whichhas 750 times the mass of all the attendant planetsand satellites com-bined. Our system isessentially single — allthe mass in the Sun— while in binary starsthe systems are essen-tially double. Applying the law ofbinary…
Astronomy
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