Because the length of the lunar month is not an even fraction of the length of the tropical year, a purely lunar calendar quickly drifts against the seasons, which don't vary much near the equator.

Because this Victorian cycle differed from the Alexandrian cycle in the dates of some of the Paschal Full Moons, and because it tried to respect the Roman custom of fixing Easter to the Sunday in the week of the 16th to the 22nd of the lunar month ( rather than the 15th to the 21st as at Alexandria ), by providing alternative " Latin " and " Greek " dates in some years, occasional disagreements from the date of Easter as fixed by Alexandrian rules continued.

Because of the roughly eleven-day difference between twelve lunar months and one solar year, the length of the Hebrew calendar year varies in the repeating 19-year Metonic cycle of 235 lunar months, with the intercalary month added according to defined rules every two or three years, for a total of 7 times per 19 years.

Because there are about twelve lunations ( synodic months ) in a solar year, this period ( 354. 37 days ) is sometimes referred to as a lunar year.

Because of this, the lunar crater Alphonsus is named after him.

Because a typical lunisolar calendar has a year made up of a whole number of lunar months, it can't indicate the position of Earth on its revolution around the sun as well as a pure solar calendar can.

Because they were obtained at low to moderate Sun angles, the Lunar Orbiter photographic mosaics are particularly useful for studying the morphology of lunar topographic features.

Because the festival celebrates Bok Eye according to the Chinese lunar calendar, the date of the parade is different each year.

Because craters that he and Grimaldi named after themselves are in the same general vicinity as these, while craters named for some other Jesuit astronomers are in a different part of the Moon, near the very prominent crater named for Tycho Brahe, Riccioli's lunar nomenclature has at times been considered to be a tacit expression of sympathy for a Copernican theory that, as a Jesuit, he could not publicly support.

Because of the isolation of this crater and its location near the lunar limb, it has been suggested as the ideal spot for a future lunar base.

Because of the crater's location near the lunar south pole, the main part of the crater is illuminated by the Sun during only 25 % of each lunar day.

Because of this, the GM is equipped with a full-sized, lunar titanium-coated composite shield for extra protection.

Because it is an isolated formation on the lunar mare, this peak can form prominent shadows when illuminated by oblique sunlight during the lunar dawn or dusk.

Because the tips have a significant speed ( typically 1 – 3 km / s ), it can be possible in some cases to cancel the orbital speed such that the tips are stationary at their lowest point with respect to a planetary surface or lunar body.

Because the first year comes at birth and the second on the first day of the lunar New Year, a child born, for example, on December 29 ( of the lunar calendar ) will reach two years of age on Seolnal ( Korean New Year ), when they are only days old in western reckoning.

Because the Moon is hotter than boiling water at noon and colder than liquid nitrogen at night, in the final version of the design the robot would avoid those extremes by circumnavigating the Moon every 29. 5 days ( the length of a lunar day ) to stay in sunlight, a strategy originally proposed by Geoffrey Landis.

Because of the short duration of those EVAs, and as a need to protect the delicate instruments, the Apollo lunar EVA backpack was replaced with a Gemini-style umbilical assembly, except that it was modified to incorporate both breathing air ( Skylab's atmosphere was 80 % oxygen and 20 % nitrogen at 5 psi ) and liquid water for cooling.

Because of this incident, authorities found it necessary, in the months following, to implement a policy against announcing victims ’ names until after families had first been informed.

Because of its historical connection with warm climates, gin and tonic is a popular cocktail during the warmer months.

Because of severe shortages in weapons and equipment and lack of training, members of the Volkssturm were poorly prepared for combat, and about 175, 000 of them lost their lives in the final months of the war.

Because thyroid tissue usually contains a substantial reserve of thyroid hormone, thyrostatics can take weeks to become effective, and the dose often needs to be carefully titrated over a period of months, with regular doctor visits and blood tests to monitor results.

Because the construction efforts on Veliki Brijun Island were jeopardized by malaria outbreaks which occurred during summer months, and even Austrian steel industrialist Paul Kupelweiser himself fell ill with the disease, at the turn of the century Kupelweiser invited in Koch, who at the time was studying different forms of malaria and quinine-based treatments.

Because of the difficulty of travel and the hazards of wilderness survival during the winter months, it is the only major National Park Service park to close entirely for the season.

Because it may take months, or even years, for criminal cases to come to trial in some jurisdictions, an innocent defendant who is offered a plea bargain that includes a sentence of less time than he would otherwise spend in jail awaiting a trial may choose to accept the plea arrangement and plead guilty.

Because of these factors, and high commitment and morale in the Finnish forces, Finland was able to resist the Soviet invasion for far longer than the Soviets expected ; Finnish forces inflicted stunning losses on the Red Army for the first three to four months while suffering very few losses of their own.

Because of this, many of the smaller development companies last only a few years or sometimes only a few months.

Because the crash was two months after the September 11 attacks and occurred in New York, several major buildings including the Empire State Building and the United Nations Headquarters were evacuated.

Because of this, ghee can keep for six to eight months under normal conditions.

Because he and his brother, the future Emperor Constantine VIII ( ruled 1025 – 1028 ), were too young to reign in their own right, Basil's mother Theophano married one of Romanos ' leading generals, who took the throne as the Emperor Nikephoros II Phokas several months later in 963.

Because the student was slated to graduate within a few months at the time the decision was rendered, and there was no action the law school could take to prevent that, the Court determined that a decision on its part would have no effect on the student's rights.

Because Hamilton County is entirely within the Adirondack Park, it has a low population of year-round residents, but this population increases at least fivefold during summer months.

Because of María Elena's miscarriage, the authorities found it necessary, in the months following, to implement a policy against announcing victims ’ names until after families had first been informed.

Because of the very small fusion reaction probability ( the fusion cross section is ~ 0. 3 – 0. 6 pb = ( 3 – 6 )× 10 < sup >− 41 </ sup > m < sup > 2 </ sup >) the experiment took 4 months and involved a beam dose of 4 × 10 < sup > 19 </ sup > calcium ions that had to be shot at the californium target to produce the first recorded event believed to be the synthesis of ununoctium.

Because of the low-lying land, the rivers are prone to flooding particularly during the winter months.

Because they are located at a higher elevation than Lima, they receive more sunshine in winter months, something that the city of Lima frequently lacks under seasonal fog.

Because the birth of Jesus was nine calendar months later, Dionysius implied, but never stated, that Jesus was born 25 December 1 BC.

Because they are `` minority '' exercises and have but a limited appeal they soon find themselves in the limbo of the forgotten.

Because of this, it would appear inevitable that an increasing percentage of strategic missiles will seek self-protection in mobility -- at least until missile defenses are perfected which have an exceedingly high kill probability.

Because individual classes of foods differ in their requirements for preservation, a number of methods have been developed over the years involving one or a combination of procedures such as dehydration, fermentation, salting, chemical treatment, canning, refrigeration, and freezing.

Because they have kept the faith of their medieval fathers, English Catholics have always strongly resented the charge of being `` un-English ''.

Because if you can't then nobody else can either, nobody else can have him.

`` Because maybe I won't have to wear it always.

Because I liked this sad person so much, I said, `` Will you have a drink with me ''??

Because anthropology developed from so many different enterprises ( see History of Anthropology ), including but not limited to fossil-hunting, exploring, documentary film-making, paleontology, primatology, antiquity dealings and curatorship, philology, etymology, genetics, regional analysis, ethnology, history, philosophy, and religious studies, it is difficult to characterize the entire field in a brief article, although attempts to write histories of the entire field have been made.

Because of the holistic nature of anthropological research, all branches of anthropology have widespread practical application in diverse fields.

Because of the ocean's great capacity to store and release heat, maritime climates are more moderate and have less extreme seasonal variations than inland climates.

Because some have a prevision of the glory to come and others foretaste their suffering, the state of waiting is called " Particular Judgment ".

Because the beaks of giant squids have been found embedded within lumps of ambergris, scientists have theorised that the substance is produced by the whale's gastrointestinal tract to ease the passage of hard, sharp objects that the whale might have eaten.

Because Ambrosius and Vortigern are shown in the Historia Brittonum as being in conflict, some historians have suspected that this preserves a historical core of the existence of two parties in opposition to one another, one headed by Ambrosius and the other by Vortigern.

Because of this, its main stars have no particular pattern and it is devoid of bright deep-sky objects.

Because the technique has allegedly been used to improve breathing and stamina in general, advocates also claim that athletes, people with asthma, tuberculosis, and panic attacks have also found improvements.

In fact, Fitzmyer believes that the preface of Luke should only be “ the starting point in the discussion of the aim of Luke-Acts .” Because the author ’ s intended purpose for the Book of Acts is not that straightforward, scholars have put forth four main claims to address this.

Because field artillery mostly uses indirect fire the guns have to be part of a system that enables them to attack targets invisible to them in accordance with the combined arms plan.

Because these users have different needs, the presentation of financial accounts is very structured and subject to many more rules than management accounting.

Because of this, correct imports of DXF files have been difficult.

Because of these accidents, the various aviation authorities around the world have created set rules and guidance for those running and participating in air displays.

Because of this risk, patients prescribed clozapine may need to have regular blood checks to catch the condition early if it does occur, so the patient is in no danger.

Because individuals with albinism have skin that entirely lacks the dark pigment melanin, which helps protect the skin from the sun's ultraviolet radiation, their skin can burn more easily from overexposure.