The Prime Meridian Establishing Global Time and Space

The Prime Meridian is the universally decided zero longitude, an imaginary north/south line which bisects the world into two and begins the universal day. The line starts at the north pole, passes across the Royal Observatory in Greenwich, England, and ends at the south pole. Its existence is purely abstract, but it is a globally-unifying line that makes the measurement of time (clocks) and space (maps) consistent across our planet. The Greenwich line was established in 1884 at the International Meridian Conference, held in Washington DC. That conferences main resolutions were: there was to be a single meridian; it was to cross at Greenwich; there was to be a universal day, and that day would start at mean midnight at the initial meridian. From that moment, the space and time on our globe have been universally coordinated. Having a single prime meridian brings to the worlds cartographers a universal map language allowing them to join their maps together, facilitating international trade and maritime navigation. At the same time, the world now had one matching chronology, a reference by which today you can tell what time of day it is anywhere in the world simply by knowing its longitude. Latitudes and Longitudes Mapping the entire globe was an ambitious task for people without satellites. In the case of latitude, the choice was easy. Sailors and scientists set the zero latitude plane of the earth through its circumference at the equator and then divided the world from the equator to the north and south poles into ninety degrees. All other degrees of latitude are actual degrees between zero and ninety based on the arc from the plane along the equator. Imagine a protractor with the equator at zero degrees and the north pole at ninety degrees. However, for longitude, which could just as easily use the same measuring methodology, there is no logical starting plane or place. The 1884 conference essentially picked that starting place. Naturally, this ambitious (and highly politicized) stroke had its roots in antiquity, with the creation of domestic meridians, which first allowed local mapmakers a way to order their own known worlds. The Ancient World The classical Greeks were the first to attempt to create domestic meridians. Although there is some uncertainty, the most likely inventor was the Greek mathematician and geographer Eratosthenes (276–194 BCE). Unfortunately, his original works are lost, but they are quoted in the Greco-Roman historian Strabos (63 BCE–23 CE) Geography. Eratosthenes chose a line on his maps marking the zero longitude as one that intersected with Alexandria (his birthplace) to act as his starting place. The Greeks were not the only ones to invent the meridian concept of course. Sixth-century Islamic authorities used several meridians; the ancient Indians picked Sri Lanka; beginning in the mid-second century CE, south Asia used the observatory at Ujjain in Madhya Pradesh, India. The Arabs picked a locality called Jamagird or Kangdiz; in China, it was at Beijing; in Japan at Kyoto. Each country picked a domestic meridian that made sense of their own maps. Setting West and East The invention of the first comprehensive use of geographic coordinates—joining an expanding world into one map—belongs to the Roman scholar Ptolemy (CE 100-170). Ptolemy set his zero longitude on the chain of the Canary Islands, the land he was aware of that was the furthest west of his known world. All of Ptolemys world he mapped would be east of that point. The majority of later mapmakers, including the Islamic scientists, followed Ptolemys lead. But it was the voyages of discovery of the 15th and 16th centuries—not just Europes of course—which established the importance and difficulties of having a unified map for navigation, eventually leading to the 1884 conference. On most maps which plot the entire world today, the mid-point center marking the face of the world is still the Canary Islands, even if the zero longitude is in the UK, and even if the definition of the west includes the Americas today. Seeing the World as a Unified Globe By the mid 19th century there were at least 29 different domestic meridians in place, and international trade and politics were global, and the need for a coherent global map became acute. A prime meridian isnt just a line drawn on a map as 0 degrees longitude; it is also one that uses a specific astronomical observatory to publish a celestial calendar that sailors could use to identify where they were on the planets surface by using the predicted positions of the stars and planets. Each developing state had its own astronomers and own their own fixed points, but if the world was to progress in science and international trade, there needed to be a single meridian, an absolute astronomical mapping shared by the whole planet. Establishing a Prime Mapping System During the late 19th century, the United Kingdom was both the major colonial power and a major navigational power in the world. Their maps and navigational charts with the prime meridian passing through Greenwich were promulgated and many other countries adopted Greenwich as their prime meridians. By 1884, international travel was commonplace and the need for a standardized prime meridian became readily apparent. Forty-one delegates from twenty-five nations met in Washington for a conference to establish zero degrees longitude and the prime meridian. Why Greenwich? Even though the most commonly used meridian at the time was Greenwich, not everyone was happy with the decision. The Americas, in particular, referred to Greenwich as a dingy London suburb and Berlin, Parsi, Washington DC, Jerusalem, Rome, Oslo, New Orleans, Mecca, Madrid, Kyoto, St. Pauls Cathedral in London, and the Pyramid of Giza, were all proposed as potential starting places by 1884. Greenwich was selected as the prime meridian by a vote of twenty-two in favor, one against (Haiti), and two abstentions (France and Brazil). Time Zones With the establishment of the prime meridian and zero degrees longitude at Greenwich, the conference also established time zones. By establishing the prime meridian and zero degrees longitude in Greenwich, the world was then divided into 24 time zones (since the earth takes 24 hours to revolve on its axis) and thus each time zone was established every fifteen degrees of longitude, for a total of 360 degrees in a circle. The establishment of the prime meridian in Greenwich in 1884 permanently established the system of latitude and longitude and time zones that we use to this day. Latitude and longitude are used in GPS and is the primary coordinate system for navigation on the planet. Sources Davids K. 2015. The Longitude Committee and the Practice of Navigation in the Netherlands, c. 1750–1850. In: Dunn R, and Higgitt R, editors. Navigational Enterprises in Europe and its Empires, 1730–1850. London: Palgrave Macmillan UK. p 32-46.Edney MH. 1994. Cartographic culture and nationalism in the early United States: Benjamin Vaughan and the choice for a prime meridian, 1811. Journal of Historical Geography 20(4):384-395.Elverskog J. 2016. The Mongols, Astrology and Eurasian History. The Medieval History Journal 19(1):130-135.Marx C. 2016. The western coast of Africa in Ptolemys Geography and the location of his prime meridian. History of Geo- and Space Sciences 7:27-52.Withers CWJ. 2017. Zero Degrees: Geographies of the Prime Meridian. Cambridge, Massachusetts: Harvard University.

The Fashion Channel - 577 Words

Case: * Fashion Channel Read the Fashion Channel case and answer the questions below. Please note the following additional guidance: The discussion of alternatives indicates that for the first scenario, an investment in programming would be required but the case does not indicate how much that might cost.  You can either assume that this spending was flat or you can assume an increase. In either case, specify your assumption and base your findings on that assumption. Questions: 1. What is your interpretation of the consumer and market data presented in the case? What key conclusions do you draw from these data? Explain. TFC meets the needs of women 35-54, who have a passion for fashion. As a result of TLC†¦show more content†¦Less likely to watch fashion TV. Situationalists Pro: Enjoys fashion Cons: Fickle audience-only pays attention to fashion for specific events Basic Pro: None Cons: Not interested in watching fashion TV nor enjoys shopping 3. What outcomes would you anticipate from each of the segmentation options? Explain and support your findings with what you believe would happen to ratings and average ad revenue pricing (CPMs)under each option. Fashionistas Ratings will decrease as a result of the marketing effort focusing on attracting the viewer who breathes fashion. The programming content may need to shift to focus to differentiate itself from the competition, which will result in increasing its CPM for ad space. Planner Shoppers Rating will increase as a result of drawing a broader audience who enjoys fashion. As a result of the broad appeal of the programming content, it will have to compete with the competition for the same viewers. This will result in a decrease in ad revenue because channel will have to decrease its CPM to compete with the competitors. Situationalists Rating and CPM will decrease as a result of the fickle audience. Basic Rating and CPM will decrease due to the this cluster’s disinterest in fashion. 4. What segmentation option would you recommend? Explain. I would recommend in focusing its efforts ‘Fashionistas’. They are the most likely to stay loyal to the network as well as provide newShow MoreRelatedThe Fashion Channel1430 Words   |  6 Pagesdata. From its inception in 1996 until recently, The Fashion Channel (TFC) enjoyed great success by appealing to as a broad an audience as possible. Overall viewer numbers were the main focus, and so long as TFC had no significant competition in terms of the fashion-specific content it offered, this â€Å"something for everyone† approach was a winner. But competitors such as CNN and Lifetime made note of TFC’s success. They began to offer fashion-specific programming. 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SWOT analysis of The Fashion Channel The Fashion Channel (TFC) is a 24*7 cable TV network which is exclusively dedicated to fashion. It was found in 1996 and since then it has been witnessing continuous upswing. According to an annual demographic survey, TFC is having approximately 110 million subscribers of cable satellite television. But, due to increasing competition with other fashion channels, it is in the need for developing a modern and updated brand strategy. SWOT analysis

Refining Solutions free essay sample

Although with spontaneous conversations, though, it is necessary to concentrate on a few set of associated ideas. Regulate the league or speech according to the audience. A practical audience would gain from terminology and acronyms. However, if the listeners are having an issue understanding the concepts that is being sent across Then it might perhaps be essential to focus on speaking at a slower pace and also offering any general accustomed Illustrations for a clearer understanding.A critical examination of a best solution for this scenario Is the following; In this case It Is Important to follow the steps above but to ultimately not to use one tone In the complete speech. By doing so it will allow one to sound very dull, and boring as the en giving the speech and also it reflects that way on the character of the one giving the speech. A very helpful step is to becoming a better speaker is to raise the pitch of the voice Just a little every now and then being careful not to yell. We will write a custom essay sample on Refining Solutions or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page Which in turn allows the speech to sound sort of like a debate to some extent, especially id it is on something the speaker really would care about and that is very important as well. Another tip would be to study some great speakers such as Abraham Lincoln, John F Kennedy, or Winston Churchill Just to list a few. These speakers were amongst the est. most well-known presenters In our history. And the tone I know goes up and down as stated previously. So the refined solution would be to first make sure to know the audience and To make sure there is a point to the argument or speech and be sure to stay with it. Make sure to Speak undoubtedly and clear making sure to modify the speech according to the audience that is listening. Last step listed is to make sure to check and modify the use of the tone in the whole speech In the final solution Do not be to overbearing. When the audience are handled in a way that makes them feel like they re not smart or like they are little kids( if not speaking to a younger crowd), the audience might turn unreceptive and it may be followed by simply Just ignoring the speaker or walking out swearing.And It Is Important to note the tone or sound of what condescends sound Like and It can be established as when the speaker use a more of a song like tones In the dialogue or to let out a long groan nominally, or If the speaker put down the listeners at all in the speech it can create hard feelings and stir up anger. That is why it is audience cannot hear what the message is about so to sum it up speak up. The listeners have to make out what is being presented are s aying even if the people that are listening are hearing in the furthest row or is there is quite a bit of noise.The next thing to keep in mind is to be honest not many would like to listen to a dishonest person so very important to know the stuff talking about and sticking to it. That is why it is important to organize what youre saying. However If there are different details or ideas in relations to the leading point, Talk about it one by one in a unhurried way but tactful so the audience can grasp the message accordingly.