discoveries and examples that brought us new knowledge to our understanding of the shape of the Earth? • In around 200 B.C. Eratosthenes determined the size of the Earth through mathematical calculations and empirical reasoning. “He knew that at summer solstice the sun was directly overhead in Syene (now Aswan, Egypt). On that day, vertical sticks or poles cast no shadows, and
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during summer or winter, one part of the planet is more directly exposed to the rays of the Sun. This exposure alternates as the Earth revolves in its orbit. Therefore, at any given time, regardless of season, the northern and southern hemispheres experience opposite seasons. The effect of axis tilt is observable from the change in day length, and altitude of the Sun at noon (the culmination of the Sun), during a year. Summer: Summer is the warmest of the four temperate seasons. Summer is the
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Character Sketch MY FRIEND LIZ My friend Liz is the most amazing friend anybody could ask for. We’ve been through so much together, we’re basically like sisters. We met on the first day of school in sixth grade, both of us terrified by the massive size of the middle school. She had the locker right above mine. I told her I didn’t know anybody in our class and she said “You do now.” We’ve been friends ever since. Most boys think Liz is cute. She has long red hair, cascading over her shoulders. She
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Nighthawks Interpretation Nighthawks has inspired many illustrators to write and inspire. The characters present in the painting form a sort of interplay, but still give the feeling of isolation and loneliness. The painting offers a viewer a series of tantalizing series of mysteries, and urges them get creative and solve them. Every fiction inspired from this painting has evolved around the four pivotal characters present in the painting, so does my interpretation. A fan of science fictions and
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and increases as it goes East. Knowing that, which direction (right or left) is East on this map? Question 4: Complete the following table of positions on the ecliptic. Ecliptic Location Approximate Date Vernal Equinox March 21 Summer Solstice Right Ascension Declination June 21 Autumnal Equinox December 21 Question 5: What does the shape of the ecliptic look like on the flat sky map? What is the range of declination values of the ecliptic?
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Nature There are many reasons why man need to be concerns about protecting the environment. With the outset of the industrial era many Americans became worried for the environment. Some very important steps are being made to correct the damages done to the environment; biofuel, recycling and limiting emission system problems on automobiles. There are great strive being made using wind and solar energy some people are finding ways to limit use of electricity and power tools there are an abundant
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Celtic Culture Who are the ancient Celts? The celts are an ancient european culture, first coming to the present day U.K. in the 3rd-5th century.(source #1 / 1) In this essay I will attempt to familiarize you with this ancient culture and their folk beliefs, customs and traditions. The Celts. When people think of them today we tend to associate them with Ireland, and Scotland, but in reality they were a people of vast territory; controlling much of the northern Alps (Source #1 / 1). Why do
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Throughout southwestern America, there are several western Pueblo Native American cultures that exist. These cultures all share a similar cosmology and spiritualism known as Kachina, which is most prominent in Hopi culture. Kachina is a term that relates to several things. Kachina is a religion, and the term also refers to spirit beings or personifications of things in the real world. In Hopi culture, these Kachinas are embodied by masked members of the tribes who dress up like them for religious
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Social Stratification Classes and Castes. Class is the primary way in which people approach social stratification. The upper class (the landed gentry, the titled nobility, and members of the royal family) has roughly the same social position it has had since the nineteenth century, when the middle classes began to compete successfully with the landed interests for influence. However, the upper class lost official political influence (and credibility) in the twentieth century. The major change in
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Spread across nearly 2,000,000 square miles of the South Pacific, in an area as large as the continent of Europe, lies the Territory of French Polynesia and its principal island, Tahiti. Settlers from Southeast Asia are thought to have first arrived in the Marquesas Islands, in the northeastern part of what is today called French Polynesia, around 300 AD and in the Society Islands, including Tahiti, to the west by about 800 AD. Prior to the first European contact, the islands were ruled by a hierarchy
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