sidereal year
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In order to ascertain when the earth has performed an entire revolution in its orbit, we must observe when the sun returns in conjunction with any fixed star; and this is called a sidereal year.
From Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained by Thomas P. Jones
"In the year 1779 Lexell's comet approached so near to the earth that it would have increased the length of the sidereal year by three hours if its mass had been equal to the earth's."
From Ragnarok : the Age of Fire and Gravel by Ignatius Donnelly
The sidereal year is the time occupied by the sun in apparently completing the circuit of the heavens from a given star to the same star again.
From The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture by E. Walter (Edward Walter) Maunder
By comparing two successive years they could of course have got at a sidereal year; but this is what they did not do; hence the irregularity which produced the canicular cycle.
From Personal Recollections, from Early Life to Old Age, of Mary Somerville by Mary Somerville
The early Babylonians used a sidereal year, as will be shown shortly.
From The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture by E. Walter (Edward Walter) Maunder
