mean longitude वाक्य
उदाहरण वाक्य
मोबाइल
- They were able to express the mean longitude of the Sun as
- Ancient tables provided the sun's mean longitude.
- Mean longitude, like mean anomaly, does not measure an angle between any physical objects.
- Modern astronomers define the tropical year as time for the Sun's mean longitude to increase by 360?
- Lieske's definition is not exactly consistent with the earlier definition in terms of the mean longitude of the Sun.
- When viewed over a one-year period, the mean longitude is very nearly a linear function of Terrestrial Time.
- Instead of the mean anomaly at epoch, the mean anomaly, mean longitude, true anomaly, or ( rarely ) the eccentric anomaly might be used.
- While mean longitude measures a mean position and assumes constant speed, true longitude meausures the actual longitude and assumes the body has moved with its elliptical orbit.
- The 1961 official reference put it this way : " The origin and rate of ephemeris time are defined to make the Sun's mean longitude agree with Newcomb's expression"
- It is also quite common to see either the mean anomaly ( ) or the mean longitude ( ) expressed directly, without either or as intermediary steps, as a polynomial function with respect to time.
- Was obtained from the linear time-coefficient in Newcomb's expression for the solar mean longitude ( above ), taken and applied with the same meaning for the time as in formula ( 3 ) above.
- An equivalent, more descriptive, definition is " The natural basis for computing passing tropical years is the mean longitude of the Sun reckoned from the precessionally moving equinox ( the dynamical equinox or equinox of date ).
- It is however plainly impossible to create mean longitudes many centuries before the year 500 which could somehow be in such very precise agreement with observations at just this time, but not in neighbouring years . ""
- Meeus defines the beginning of a Besselian year to be the moment at which the mean longitude of the Sun, including the effect of aberration and measured from the mean equinox of the date, is exactly 280 degrees.
- :p . 20 " Billard s scientific analysis of many canons included the proof that the mean longitudes of the Brhmasphum asiddhnta were established in the seventh century, and so were certainly the work of Brahmagupta, as he claimed.
- Observations showed that Brown's tables were indeed superior to those of Hansen, which had been in use since 1857, but there was still a large unexplained fluctuation in the Moon's mean longitude of the order of 10 arcseconds.
- As I am in the UK they may not grow as large as the watermelons for sale in supermarkets, as the latitude ( or maybe I mean longitude ? ) here is about the same as Newfoundland and hence the sun is not as powerful.
- The process for finding an expression for the length of the tropical year is to first find an expression for the Sun's mean longitude ( with respect to H & ), such as Newcomb's expression given above, or Laskar's expression ( 1986, p . 64 ).
- In the introduction to Newcomb's Tables of the Sun ( 1895 ) the basis of the tables ( p . 9 ) includes a formula for the Sun's mean longitude, at a time indicated by interval T ( in Julian centuries of 36525 mean solar days ) reckoned from Greenwich Mean Noon on 0 January 1900:
- :: : " Billard's demonstration that the mean longitudes of the ryabham + ya were in striking agreement with the true state of the Sun, Moon and planets just around A . D . 510, and must therefore have been founded on observations by ryabham a, was therefore in plain contradiction with Pingree's views.
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