Several estimates have been made which agree well together; whether direct use is made of known parallaxes, or comparison is made with binaries of well-determined orbits of the same spectral type as the sun, in which therefore it may be assumed there is the same relation between mass and brilliancy
binaries הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד