Приклади вживання Tropical year Англійська мовою та їх переклад на Українською
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Length of tropical year.
A tropical year and synodic month.
How long is a Tropical Year?
Therefore the time between two successive spring equinoxes is a tropical year.
The analogous tropical year of the Sun.
It is 11 minutes longer than a tropical year.
In other words, 19 tropical years is close to 235 synodic months.
Compare the analogous tropical year.
Tropical year lasts exactly 365 days, and 365 plus an additional 5 hours and 48 minutes.
Alternative Title: tropical year.
Tropical year length depends on the starting point of measurement, due to the effects of Kepler's second law of planetary motion.
It is about 20 minutes longer than the tropical year.
The mean tropical year is defined as the period of time for the mean ecliptic longitude of the Sun to increase by 360 degrees.
That is approximately 20 minutes longer than a tropical year.
Aggravating this error, the length of the tropical year(measured in Terrestrial Time)is decreasing at a rate of approximately 0.53 s per 100 tropical years.
The time interval between twoequinoxes of the same name is called a tropical year.
Calculation allowed a temporary difference of the proposed year, compared with the tropical year, amounting to 365, 2422 days, be reduced to nineteen seconds.
Also, the mean solar day is gettinglonger at a rate of about 1.5 ms per 100 tropical years.
Thus, the 50 or so arcseconds that the Sundoes not have to move to complete the tropical year"saves" varying amounts of time depending on the position in the orbit.
It is a solar calendar,meaning that it is designed to maintain synchrony with the tropical year.
Two astronomical values are based on the theory of lunar-solar calendars:1 tropical year= 365.242 20 days, 1 synodic month= 29,530 59 days.
So the length of a year in Julian calendar is 365.25days which is much closer to a real tropical year.
Actually the problem is that a complete revolution around the sun- tropical year- the Earth makes for 365.24219878 days.
Its length in tropical years can be computed by dividing the difference between the sidereal year andtropical year by the length of the tropical year.
Averaging over an entire orbital period gives a tropical year of 668.5921 sols.
However When tropical year measurements from several successive years are compared, variations are found which are due to nutation, and to the planetary perturbations acting on the Sun.
This slightly shorter periodis known as the tropical month(cf. the analogous tropical year).
Since then, the difference between the calendar year(365.2500 days) and the tropical year(~365.2421897 days) moved the day associated with the actual astronomical solstice forward approximately three days every four centuries, arriving to December 12 during the 16th century.
Most modern residents perceive the equinox as a purely astronomical phenomenon, when the point of the celestial equator intersects with the ecliptic,night is equal to day, a tropical year begins.
The astronomer's mean tropical year which is averaged over equinoxes and solstices is currently 365.24219 days, slightly shorter than the average length of the year in most calendars, but the astronomer's value changes over time, so William Herschel's suggested correction to the Gregorian calendar may become unnecessary by the year 4000.