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.
Thus the Babylonians had fixed the length of a tropical year within twenty-five seconds of the truth; their estimate of the sidereal year was barely two minutes in excess.
From History of the Conflict Between Religion and Science by Draper, John William
Mrs. B. I must also explain to you what is meant by a sidereal year.
From Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained by Jones, Thomas P.
There are two kinds of solar years, with which we may have to do in a luni-solar calendar—the tropical or equinoctial year, and the sidereal year.
From The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture by Maunder, E. Walter (Edward Walter)
Their observations led them to discover the length, very nearly, of the sidereal year, which they made to consist of 365 days, every fourth year adding one day, making the number for that year 366.
From General History for Colleges and High Schools by Myers, Philip Van Ness
In what way was the primitive year regulated? was it a solar or a sidereal year?
From Astronomical Myths Based on Flammarions's History of the Heavens by Blake, John F.
