Astronomers theorize that a collision with a smaller companion galaxy near the core of the main galaxy could have led to the unusual spiral structure.

While Eddy's Manual established limited executive functions under the rule of law in place of a traditional hierarchy, the controversial 1991 publication of a book by Bliss Knapp led the then Board of Directors to make the unusual affidavit during a suit over Knapp's estate that neither acts by it violating the Manual, nor acts refraining from required action, constituted violations of the Manual.

The high temperature of the corona gives it unusual spectral features, which led some to suggest, in the 19th century, that it contained a previously unknown element, " coronium ".

This lack of formal training led to interesting harmonic findings, with unusual unresolved dissonances.

This unusual final table of the Serie A ( with the most successful Italian teams of the time, Juventus and AS Roma, ending up much lower than expected ) has led to many speculations.

Since the mid-1980s, the donor community, led by the World Bank and the USAID, has recognized that Madagascar is one of the world's most unusual natural wonders.

As there was extensive mingling of Germanic tribes and Celts in this period, a Germanic or mixed Germanic-Celtic tribe led by a man with a Celtic name would be nothing unusual.

The unusual aspect of the orchestra was that, believing that in the ideal Marxist state all people are equal, its members felt that there was no need to be led by the dictatorial baton of a conductor ; instead they were led by a committee.

Tristan da Cunha's isolation has led to an unusual, patois-like dialect of English.

The genus is unusual in that species throughout the genus, even those coming from different continents, can frequently be hybridized with each other, and this has led to an enormous number of cultivars.

His equation was the first of its type, and solutions led to very unusual and unexpected consequences for the time.

This led to the unusual position of Ripon, with the diocese cathedral, having city status whilst the rapidly expanding conurbation of Leeds-in the same diocese-did not.

This led to an extremely strong, dense, and durable Kryptonian species with unusual physical properties.

Dorothy Tutin's unusual looks, as well as her acting ability, led to early success.

The growth of Indianapolis toward Beech Grove, and the distinctness of both cities, led to the unusual result of different names for certain roadways.

The juxtaposition of Dundas and Northfield and their disparate zoning policies and attitudes toward development have led to some unusual growth patterns.

Henryetta's school teams were known for their unusual nickname, the " Mud Hens " ( later " Hens " and " Fighting Hens "), until a student petition led to a name change ( to " Knights ") in 1989.

This also led to unusual legal arrangements such as the " flying freehold ", where the shared floor / ceiling is wholly owned by the underdwelling.

It was not unusual for the Romans to offer cult to the gods of other nations in the hope of redirecting their favor ( see evocatio ), and the Second Punic War in particular created pressures on Roman society that led to a number of religious innovations and reforms.

His connection with the Great Western Railway whose famous steamship SS Great Western had been so successful in voyages between Bristol and New York, led to him being asked to make some machine tools of unusual size and power which were required for the construction of the engines of their next and bigger ship SS Great Britain.

Tyler's report led to an unusual alteration, as it was discovered that the loading gauge of the line was too small.

The soldiers in Florida praised the new weapon, but the unusual hammerless design, sixty years ahead of its time, led to difficulty in training men who were used to exposed-hammer guns.

This would have led to internal bleeding, though it would be unusual in that case for death to follow quite as swiftly as it seems to have done here.

The text is unusual at this point in describing the Cross itself as speaking, and even floating out of the tomb, which has led some scholars to suspect it of gnostic sympathies.

The situation became unstable and, in the following year, being led by what he afterwards discovered to be false representations, Afonso declared Peter a rebel and defeated his army in the Battle of Alfarrobeira, in which his uncle ( and father-in-law ) was killed.

Alfonso fled to Castel Nuovo, but the help of a fleet of 22 galleys led by Giovanni da Cardona improved his situation.

This situation led finally to an " inconclusive " duel between Pike and Roane on July 29, 1847 near Fort Smith, Arkansas.

In essence this led to a situation where a minority of this majority remained within the Central Committee ...

Almost immediately however, the world witnessed division into broad two camps during the Cold War ; one side was led by the U. S., and the other by the Soviet Union, but this situation also led to the establishment of the Non-Aligned Movement.

The Native Ecuadorian population, in contrast, probably experienced an overall improvement in its situation, as the closing of the obrajes commonly led Native Ecuadorians to work under less arduous conditions on either haciendas or traditional communal lands.

The American situation led to a worldwide boom in the production and exhibition of films from 1906 onwards.

The deplorable situation of Germany stirred him to the depths and led him to deliver the famous Addresses to the German Nation ( 1808 ) which guided the uprising against Napoleon.

In 1950 Eric Gairy founded the Grenada United Labour Party, initially as a trades union, which led the 1951 general strike for better working conditions, this sparked great unrest-so many buildings were set ablaze that the disturbances became known as the ' red sky ' days-and the British authorities had to call in military reinforcements to help regain control of the situation.

The Kaiser took a mostly unilateral approach in Europe with as main ally the Austro-Hungarian Empire, and an arms race with Britain, which eventually led to the situation in which the assassination of the Austrian-Hungarian crown prince could spark off World War I.

The fact that the Greek government, led by Dimitrios Rallis, proved unable to likewise take advantage of the situation and bring Crete into the fold, rankled with many Greeks, especially with young officers.

The unstable economic situation led to mass emigration of Albanians, mostly to Italy, Greece, Switzerland, Germany and to North America during the 1990s.

They being not willing to give up the electoral rank, this led to the situation that this principality, which never cast an electoral vote in any imperial election, was the one which preserved the title of prince-elector.

In November 1937, Ribbentrop was placed in a highly embarrassing situation when his forceful advocacy of the return of the former German colonies led to the British Foreign Secretary Anthony Eden and the French Foreign Minister Yvon Delbos offering to open talks on returning the former German colonies, in return for which the Germans would make binding commitments to respect their borders in Central and Eastern Europe.

In 1163 the chaotic situation in Egypt led to a refusal to pay tribute to Jerusalem, and requests were sent to Nur ad-Din for assistance ; in response, Amalric invaded, but was turned back when the Egyptians flooded the Nile at Bilbeis.

Before drafting the specific terms of his peace deal, Wilson recruited a team led by Colonel House to compile information deemed pertinent in assessing Europe ’ s geo-political situation.

This situation sometimes led to replacement by cash payments or their equivalents in kind of the demesne labour obligations of those peasants living furthest from the lord's estate.

However, a policy of non-enforcement has led to a situation where reliance upon non-enforcement has become common, and because of this the courts have ruled against the government when individual cases were prosecuted.

Nauru's unsettled political situation never led to civil disturbances ; the transitions were always sanctioned by parliament and occurred peacefully.

The pressure placed on factories and military planners to show production numbers also led to a situation where the majority of armored vehicles were obsolescent models, critically lacking in spare parts and support equipment, and nearly three quarters were overdue for major maintenance.

Catalonia came under intense pressure from the taifas of Zaragoza and Lérida, and also from internal disputes, as Barcelona suffered a dynastic crisis which led to open war among the smaller counties ; but by the 1080s, the situation calmed, and the dominion of Barcelona over the smaller counties was restored.

After a short respite in 1991 – 1996, when measures taken in 1993 led to economic stabilization, a relatively stable exchange rate, low inflation, sustainable fiscal policies, and growth, Suriname's economic situation deteriorated from 1996 to the present.

The serious crime situation in the country has led to a severe deterioration in security conditions in the country.

Thus the situation seemed plausible, and a combination of her financial woes and her good nature led her to go along with the plan.