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Topic: Gaussian year


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  Year - Wikipedia, the free encyclopedia
A seasonal year is the time between successive recurrences of a seasonal event such as the flooding of a river, the migration of a species of bird, the flowering of a species of plant, the first frost, or the first scheduled game of a certain sport.
A tropical year is the time for the Earth to complete one revolution with respect to the framework provided by the intersection of the ecliptic (the plane of the orbit of the Earth) and the plane of the equator (the plane perpendicular to the rotation axis of the Earth).
The Gaussian year is the sidereal year for a planet of negligible mass (relative to the Sun) and unperturbed by other planets that is governed by the Gaussian gravitational constant.
en.wikipedia.org /wiki/Year   (1920 words)

  
 Gaussian year - Wikipedia, the free encyclopedia
It was adopted by Carl Friedrich Gauss as the length of the sidereal year in his studies of the dynamics of the solar system.
A slightly different value is now accepted as the length of the sidereal year, and the value accepted by Gauss is given a special name.
A particle of negligible mass, that orbits a body of 1 solar mass in this period, has a mean axis for its orbit of 1 astronomical unit by definition.
en.wikipedia.org /wiki/Gaussian_year   (128 words)

  
 Year
A year is the term for any period of time that is derived from the period of the orbit of the Earth around the Sun.
The actual duration varies from year to year because the motion of the Earth is influenced by the gravity of the Moon and other planets.
tropical year: the period for the Earth to complete one revolution with respect to the framework provided by the intersection of the ecliptic (the plane of the orbit of the Earth) and the plane of the equator (the plane perpendicular to the rotation axis of the Earth).
www.ebroadcast.com.au /lookup/encyclopedia/ye/Year.html   (612 words)

  
 ca Any ...
A "seasonal year seasonal year" is the time between successive recurrences of a season seasonal event such as the flooding of a river, the migration of a species of bird, or the flowering of a species of plant.
A "tropical year tropical year" is the time for the Earth to complete one revolution with respect to the framework provided by the intersection of the ecliptic ecliptic (the plane of the orbit of the Earth) and the plane of the equator equator (the plane perpendicular to the rotation axis of the Earth).
The "eclipse year eclipse year" or "ecliptic year" is the time for the Sun (as seen from the Earth) to complete one revolution with respect to a node node of the Moon's orbit orbit (the points where the Moon's orbit intersects the ecliptic ecliptic).
www.biodatabase.de /year   (1070 words)

  
 Encyclopedia :: encyclopedia : Year   (Site not responding. Last check: 2007-10-31)
No astronomical year has an integer number of days or months, so any calendar that follows an astronomical year must have a system of intercalation such as leap years.
It differs from the sidereal year for stars north or south of the ecliptic because of the significant angle (23.5°) between Earth's celestial equator and the ecliptic.
Its length is approximately 25,770.639 22 years (9,412,725 d 23 h 22 min).
www.hallencyclopedia.com /Year   (1588 words)

  
 Learn more about Year in the online encyclopedia.   (Site not responding. Last check: 2007-10-31)
eclipse or ecliptic year: the period for the Sun (as seen from the Earth) to complete one revolution with respect to a node of the Moon's orbit (the points where the Moon's orbit intersects the ecliptic).
similar to the eclipse year, there is the period for the Sun (as seen from the Earth) to complete one revolution with respect to the perigee of the Moon's orbit.
The Gaussian year lasts 365.2568983 days, and is derived from the Gaussian gravitational constant that is expressed in units of the solar system.
www.onlineencyclopedia.org /y/ye/year.html   (781 words)

  
 Gaussian gravitational constant - Wikipedia, the free encyclopedia
The value of the astronomical unit is derived from it, and is no longer defined by the actual orbit of the Earth.
In modern ephemerides, the mean orbital axis of the Earth is slightly longer than 1 A.U., and the sidereal year is slightly shorter than 1 Gaussian year.
Gauss was not fully aware of the secular increase in the length of the mean solar day and unaware of the relativistic differences in the rate of clocks.
en.wikipedia.org /wiki/Gaussian_gravitational_constant   (316 words)

  
 year
The tropical year is the interval between one spring (or autumn) equinox and the next.
The tropical year is not the length of the year in the tropics; it has nothing to do with Somerset Maugham, sunny beaches or banana plantations.
The anomalistic year is the interval between the instant when Earth's orbit brings it closest to the sun (perihelion) and the next such instant.
www.sizes.com /time/year.htm   (563 words)

  
 Year
Because of the precession of the equinoxes, this framework moves slowly backwards along the ecliptic with respect to the fixed stars (with a period of about 26,000 years); as a consequence, the Earth completes this year before it completes a full orbit as measured in a fixed reference frame.
A heliacal year or sidereal year is the interval between the heliacal risings of a star.
The Gaussian year is the sidereal year for an ideal planet governed by the Gaussian gravitational constant.
www.askfactmaster.com /Yr   (1058 words)

  
 year - Wiktionary
A period between set dates that mark a year, from January 1 to December 31 by the Gregorian calendar.
A normal year has 365 full days, but there are 366 days in a leap year.
A scheduled part of a calendar year spent in a specific activity.
en.wiktionary.org /wiki/year   (304 words)

  
 Year - Facts, Information, and Encyclopedia Reference article
354.37 days — 12 lunar months; the average length of a year in lunar calendars
365.25 days — the average length of a year in the Julian calendar; the light year is based on it; it is 31,557,600 seconds
366 days — a leap year in many solar calendars; 31.62 million seconds
www.startsurfing.com /encyclopedia/y/e/a/Year.html   (1622 words)

  
 Data Correlating the Shallow GISP2 Dust Profile with the Wolf Sunspot Number Series
The 8-year smoothed data were then subtracted from the 15-year smoothed data, and the results were resampled at 1-year intervals using an annual average.
The raw data were smoothed in the time domain using gaussian-weighted moving averages with 50% cutoff periods of 8 and 15 years.
Even though the years 1989 to 1992 are reflected in the data, investigators were interested in analyzing only the time period covered by the beginning of the sunspot data and the end of the dust data, which is 1752 to 1988 A.D. Temporal Resolution:
nsidc.org /data/docs/arcss/arcss113   (1115 words)

  
 Year : Years   (Site not responding. Last check: 2007-10-31)
The Hebrew would never have been the man he bondage.html">bondage.html">bondage in the land of the Pharaohs.
Africa will in future.html">future times Jew did upon his Egyptian bondage, and will be able to trace the flowed from it.
Here is not the place to make any extended union of different races in the same people, to elevate and give that in the case before us these effects will be of the same.
www.termsdefined.net /ye/years.html   (889 words)

  
 Alaskan warming threnody by Willis Essenbach
Based on the close correspondence between the two records, in order to get a long record for the area I have taken the liberty of extending the last few years of the University record (extension shown in blue) by linear regression from the Airport record.
Also note that there have been four years since 1970 which were as warm or warmer than 2003 (1980, 1981, 1987, and 1994).
Gaussian or other similar averaging is the only thing that will allow us to understand the data.
www.warwickhughes.com /cool/cool10.htm   (1741 words)

  
 Discriminant Analysis by Gaussian Mixtures - Hastie, Tibshirani (ResearchIndex)   (Site not responding. Last check: 2007-10-31)
LDA is equivalent to maximum likelihood classification assuming Gaussian distributions for each class.
In this paper, we fitted Gaussian mixtures to each class to facilitate effective classification in non-normal settings, especially when the classes are clustered.
The graph only includes citing articles where the year of publication is known.
sherry.ifi.unizh.ch /4617.html   (548 words)

  
 NOAA Paleoclimatology Program - Jones et al. 2001 Climate Reconstructions
Average temperatures during the last three decades were likely the warmest of the last millennium, about 0.2°C warmer than during warm periods in the 11th and 12th centuries.
For warm events only, values are also given from the Quinn and Neal historical reconstruction (green, 1526-1988), after choosing an appropriate threshold to match the observed frequency of events over 1867-1977.
Sequential years exceeding 1 standard deviation are counted as multiple rather than single events.
www.ncdc.noaa.gov /paleo/pubs/jones2001/jones2001.html   (628 words)

  
 About the Fringe
The Fringe Festival is a non-profit theater company, which brings together an eclectic group of performers each year and has developed a loyal following.
This year we look forward to bringing you a mix of new shows, such as "Potpourri of Poe" and "Two by Tenn"; as well as returning favorites like "Vagina Monologues" and "Lorena Hickok and Eleanor Roosevelt: A Love Story".
I receive so many inquiries from performers interested in the Fringe that I have developed a FAQ page.
www.gaussian.com /ptownfringe/about.htm   (145 words)

  
 The AU | Jodrell Bank Observatory   (Site not responding. Last check: 2007-10-31)
The Astronomical Unit (usually abbreviated as AU) is the name given to the average distance between the Earth and the Sun.
It is actually the distance from the Sun that the Earth would be if it were in a perfectly circular orbit and took precisely 365.2568983 days (a Gaussian year) to orbit.
As the Earth's orbit is elliptical, the AU is slightly smaller than the mean distance.
www.jb.man.ac.uk /~slowe/transit2004/science_au.html   (103 words)

  
 Year Did You Mean year
a mean tropical year near the year 2000
the average length of a year in the Gregorian calendar
the average length of a year in the Julian calendar; the light year is based on it; it is 31,557,600 seconds
www.did-you-mean.com /Year.html   (1634 words)

  
 Climate Audit » Briffa’s Tornetrask Reconstruction
Briffa regressed MXD (smoothed 10-year version) against RW (smoothed 10-year version) for 500-1750 and used the model to calculate residuals the entire period (shown in the 2nd panel, smoothed with a 25-year gaussian filter).
[1995] absurdly reports that 1032 is the “coldest year of the millennium” based on the density of 3 trees in the Polar Urals (which are poorly dated in my opinion).
Left to my own devices, I would probably use a lowess smooth, but I’m pretty sure that gaussian filters are used by Briffa elsewhere (although I can’t give an exact proof offhand) and so I’ve used gaussian filters in the absence of other information.
www.climateaudit.org /index.php?p=150   (3316 words)

  
 Gaussian year concept from the Astronomy knowledge base
Gaussian year concept from the Astronomy knowledge base
abstraction > mathematical concept > unit > time unit > year > Gaussian year
Next year: Julian year Up: year Previous year: eclipse year
www.site.uottawa.ca:4321 /astronomy/Gaussianyear.html   (45 words)

  
 Astronomical Unit   (Site not responding. Last check: 2007-10-31)
The Astronomical Unit is defined as the radius of the circular orbit of a massless planet with an orbital period of 2PI/k, called a Gaussian Year, where k is the Gaussian Gravitational Constant.
'AU from Gaussian Gravitational Constant k '2/March/2004 pi = 4*atn(1.0) 'k from http://ssd.jpl.nasa.gov/astro_constants.html k = 1.720209895e-2 'GY = Gaussian Year GY = 2*pi/k MsgBox GY p = GY*86400 'GM is the product of G and mass of the Sun 'from http://ssd.jpl.nasa.gov/astro_constants.html GM = 1.32712440018e20 a_cubed = GM*p*p/(4*pi*pi) a = a_cubed^(1/3) MsgBox a
These results agree with the values given here.
physics.ccri.edu /Keefe/au.htm   (103 words)

  
 Ektopia » 2005 » December
If money is no option then you could consider the Kalista CD transport at only $23,000!
Thousands of years of tradition can’t be wrong but if you need a modern twist on an age old body modification you can always try this Neck Stretcher.
One of my favourite artists, Insa, has now got his own blog as well as a website…the Insa’s Blog.
www.ektopia.co.uk /ektopia/archives/2005/12   (721 words)

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