There is a large number of amateur astronomical societies around the world that serve as a meeting point for those interested in amateur astronomy, whether they be people who are actively interested in observing or " armchair astronomers " who may simply be interested in the topic.

Astrology consists of a number of belief systems which hold that there is a relationship between astronomical phenomena and events in the human world.

To reconcile the calendar year with an astronomical cycle ( which could not possibly be reckoned in a whole number of days ), certain years contain extra days.

A number of experimenters initially claimed to have identified the effect using astronomical measurements, and the effect was eventually considered to have been finally identified in the spectral lines of the star Sirius B by W. S.

where d is the number of days since 1 January 2000 00: 00: 00 in the Terrestrial Time scale used in astronomical ephemerides ; for Universal Time ( UT ) add the following approximate correction to d:

Because seasons and astronomical events do not repeat in a whole number of days, a calendar that had the same number of days in each year would, over time, drift with respect to the event it was supposed to track.

If there were a large ( possibly infinite ) number of universes, each with possibly different physical laws ( or different fundamental physical constants ), some of these universes, even if very few, would have the combination of laws and fundamental parameters that are suitable for the development of matter, astronomical structures, elemental diversity, stars, and planets that can exist long enough for life to emerge and evolve.

Today, the astronomical community widely agrees that Planet X, as originally envisioned, does not exist, but the concept of Planet X has been revived by a number of astronomers to explain other anomalies observed in the outer Solar System.

No astronomical year has an integer number of days or lunar months, so any calendar that follows an astronomical year must have a system of intercalation such as leap years.

* 4713 BC: The epoch ( origin ) of the Julian Period described by Joseph Justus Scaliger occurred on January 1, the astronomical Julian day number zero.

The astronomical measurements taken of the transit of Venus by a number of countries since 1639 resulted in a progressively more accurate definition of the AU.

This section of Rules for philosophy is followed by a listing of ' Phenomena ', in which are listed a number of mainly astronomical observations, that Newton used as the basis for inferences later on, as if adopting a consensus set of facts from the astronomers of his time.

Because of the astronomical number of possible cladograms, algorithms cannot guarantee that the solution is the overall best solution.

In 1969, Cyrus Levinthal noted that, because of the very large number of degrees of freedom in an unfolded polypeptide chain, the molecule has an astronomical number of possible conformations.

It was only after Claver's death that the vast scope of his ministry came to be realized ; which was prodigious even before the astronomical number of people he baptized is added in.

The Elqui Valley is home to a number of astronomical observatories, owing to the region's clear skies.

Several poetical works on various subjects, as well as a number of prose epistles, are attributed to Aratus, but none of them have come down to us, except his two astronomical poems in hexameter.

Smyth moved to Stone near Aylesbury in 1842, and still had the opportunity to use the telescope since his residence at St. John's Lodge was not far from its new location, and he performed a large number of additional astronomical observations from 1839 to 1859.

It would have been natural to think that the number of seven archons was suggested to Saturninus by astronomical considerations ; and this supposition is verified by the statement in the later chapter ( c. 30 ) that the holy Hebdomas are the seven stars called planets.

Today, in addition to performing continuing science operations of HST and preparing for scientific exploration with JWST, STScI manages and operates the Multi-mission Archive at Space Telescope ( MAST ), the Data Management Center for the Kepler mission and a number of other activities benefiting from its expertise in and infrastructure for supporting the operations of space-based astronomical observatories.

A number of countries have legally adopted ISO 8601, also used in other contexts, which uses the astronomical calendar, in which year counting starts at 0.

There are a number of research organizations and publications who focus upon the activities of community college, junior college, and technical college institutions.

The popularity of curry houses in Britain has encouraged a number of publications aiming to show how the curry house cuisine, as opposed to authentic Indian cuisine, can be recreated at home.

A number of respected monthly publications, including the popular science magazine " Наука и жизнь " (" Science and Life "), featured special columns, dedicated to optimization techniques for calculator programmers and updates on undocumented features for hackers, which grew into a whole esoteric science with many branches, known as " yeggogology " (" еггогология ").

And also away from the world of Football there are a number of established fanzines, for example Rugby League has such notable publications as Who The Hell Was St. George Anyway?

He soon acquired reputation by a number of publications on the civil and Scottish law, and was one of the leaders of the Scottish Enlightenment.

In the 1920s surrealist opposition to psychiatry was expressed in a number of surrealist publications.

Lum was a prolific writer who wrote a number of key anarchist texts, and contributed to publications including Mother Earth, Twentieth Century, and, The Alarm ( the journal of the International Working People's Association ) and The Open Court among others.

Opponents also refer to a number of scientific publications reporting significant negative effects of irradiated food, for example

Utamaro produced over two thousand prints during his working career, along with a number of paintings, surimono, as well as many illustrated books, including over thirty shunga books, albums, and related publications.

A number of publications over a period of thirty years would attempt to elucidate this concept.

There are five national newspapers and a larger number of local publications.

* FindArticles. com Index Large number of articles about parapsychology, from publications such as the Journal of Parapsychology and the Skeptical Inquirer.

* FindArticles. com Index Large number of articles about parapsychology, from publications such as the Journal of Parapsychology and the Skeptical Inquirer.

During the 1950s, he was blacklisted by the United States and prevented from entering that country because of a visit to a conference in Moscow, and because he subscribed to a number of left-wing publications.

A number of demo discs were also released with publications which allowed the user to play the disc in a CD equipped PC-Engine or the PC-FX.

An Audit Bureau of Circulations was established in 1998 and today represents a large number of publications.

The St Helena Press was set up by Saul Soloman in 1806 and produced a number of publications including the Government Gazette ( from 1807 ) and the St Helena Monthly Register ( from 1809 ), both government funded publications.

The number of scholarly publications on the problem of the Tunguska explosion since 1908 may be estimated at about 1, 000 ( mainly in Russian ).

There are a number of peer-reviewed journals and publications about urology,

Each Worldcon committee selects a number of guests of honor ( often just " GoH " in publications ).

A significant number of newspapers and media publications are based in Casa Presei Libere ( The House of the Free Press ), a landmark of northern Bucharest, originally named Casa Scânteii after the Communist Romania-era official newspaper Scînteia.

A number of publications in other languages are also available, such as the Hungarian-language daily Új Magyar Szó.

In recent years, the album has received acclaim from music publications: In 2006, Classic Rock ranked it number 28 in " The 100 Greatest British Rock Albums Ever ", and in 2007, Mojo ranked it No. 88 in " The 100 Records That Changed the World ".

" Relations were further soured with reports from a number of publications that Osama bin Laden might have escaped due to a substantial delay from the original H-hour of the deployment of American Forces.