The solar system consists of the Sun and 9 planets revolving around it in different orbits. The statistics of the sun and the planets are given below : SUN Age : About 5 Billion years Distance : 149.8 Million Kms Diameter : 1‚38‚400 Kms. Photosphere temperature : 5‚770 K Core temperature : 150‚000‚000 K Absolute visual magnitude : 4.75 Rotation (as seen from the earth at the equator) : 25.38 days Rotation (near the poles) : 33 days The sun consists of 71% of Hydrogen‚ 26.5% Helium and
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lives‚ we are changing the Earth’s climate. We are making the planet grow warmer. We are making the rise in temperature by burning the ’fossil fuels’ like coal‚ oil and natural gas. We are putting greenhouse gases such as carbon dioxide‚ into the atmosphere. Sulphur dioxide is another harmful gas that comes from power stations and vehicles. It is very acidic‚ which means it eats
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perhaps the bleakest of O. Henry’s best-known stories. Although the basic ironic plot can be summarized in a sentence—a young man commits suicide in the same room where a young woman for whom he has vainly searched killed herself—it is the musty atmosphere of the room and the suggestion that every place bears the traces of the lives that have inhabited it that makes the story so compelling. It is a story of transience‚ of lives that move through a bleak‚ indifferent world‚ leaving only bits of themselves
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An Unmistakable Presence of Peace Places of serenity hold captive the fondest pieces of our memory. We walk on the hard‚ cold stone path barefoot. The air is filled with the aroma of gardenia. The cool‚ crisp breeze slices through the humid atmosphere. The wind-chimes sing their songs of sharp‚ staccato notes. The forest seemingly forever expands over the flat land of Louisiana. The rustle of the leaves of 100 year old oak trees in the wind reminds us of the outside world we had momentarily left
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carbon‚ and halocarbon. These gases absorb the heat radiated from Earth’s surface and lower atmosphere while radiating most of the energy back toward the surface. The humane activities such as transportation‚ mining‚ agriculture‚ fossil fuel burning‚ and many others have increased the concentration of these gases. The result is a thick blanket in the atmosphere of these “heat trapping gases in Earth’s atmosphere‚ causing surface temperature to rise.” http://www.globalchange.gov/publications/repor
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What impact might CO2 emissions have on overall global warming? In the 19th century‚ scientists realized that gases in the atmosphere cause a "greenhouse effect" which affects the planet’s temperature. These scientists were interested chiefly in the possibility that a lower level of carbon dioxide gas might explain the ice ages of the distant past. At the turn of the century‚ Svante Arrhenius calculated that emissions from human industry might someday bring a global warming. Other scientists dismissed
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Global warming‚ Ice Core samples‚ Dendrochronology and Peat Bogs. Global warming is the rise of average temperature in the earth’s atmosphere since the late 19th century. Since the beginning of the early 20th century‚ the earths mean surface temperature had increased by around 0.8 degrees. Warming of the climate system had become more obvious and scientists are 90% sure that the main cause of the increase in temperature in due to the increasing concentrations of greenhouse gases due to human
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Improving fruit and vegetable packaging Share Email 0 Comment(s) Print Published 2006-08-28 00:00:00 FRUITS and vegetables are an important sub-sector in the agricultural sector because they are valued as protective food. They are very rich source of minerals‚ vitamins providing more energy per unit weight than cereals. Pakistan has a wide range of agro-climatic condition‚ which allows the production of a variety of fruits and vegetables. However‚ there is a wide gap between availability
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releasing more and more greenhouse gases into the atmosphere for a variety of reasons. We are doing this by burning fossil fuels. When fossil fuels are burned‚ they release harmful greenhouse gases into the atmosphere. These greenhouse gases then remain in the atmosphere‚ and trap most of the heat from the Sun‚ causing the global temperatures to increase. There are three main reasons for why humans are beginning to put more greenhouse gases into the atmosphere. The main thing we use fossil fuels is to
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the planet. It reaches a surface temperature of 900° F. This is hotter than Mercury‚ which is closer to the sun. This temperature is hot enough to melt lead. This higher temperature is attributed to a runaway greenhouse effect caused by the heavy atmosphere of carbon dioxide. This would also probably account for the lack of water on the planet. The oceans‚ if there were ever any‚ were probably boiled away millions of years ago. The extremely hot temperature also attributes to the fact that no life
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