The determination of stellar parallaxes is a matter of great difficulty on account of the minuteness of the angle to be measured, for in no case does the parallax amount to I; moreover, there is always an added difficulty in determining an annual change of position, for seasonal instrumental change
minuteness הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד