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Planets And Solar System
1,809 words"A planet is a celestial body that revolves around a central star and does not shine by its own light " (Grolier, 1992). The only planetary system that is known to man is our solar system. It is made up of nine planets which range in size and make-up. The nine major planets in our solar system are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. There are also many other minor planets which are also in our solar system, but they are unimportant compared to the nine major ...
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Dust Particles Magnetic Fields
2,093 words... planet from the Sun and is the third largest in the solar system. It has an equatorial diameter of 51, 800 kilometers (32, 190 miles) and orbits the Sun once every 84. 01 Earth years. It has a mean distance from the Sun of 2. 87 billion kilometers (1. 78 billion miles). The length of a day on Uranus is 17 hours 14 minutes. Uranus has at least 22 moons. The atmosphere of Uranus is composed of 83 % hydrogen, 15 % helium, 2 % methane and small amounts of acetylene and other hydrocarbons. Methan...
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Dust Particles Blue Light
1,256 wordsExploration of a Natural Colour Phenomenon Why does the sky colour change? To answer this question, one should be aware of the Earth's atmosphere, and light. What is the atmosphere? The sky is filled with air which is a mixture of tiny gas molecules and small bits of solid stuff, like dust (Why Is the Sky Blue? ). The air constitutes the atmosphere, a gaseous shell surrounding the Earth and some other planets. The main gaseous components of the atmosphere are nitrogen (78. 09 %) and oxygen (20. ...
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Polar Ice Caps Carbon Dioxide
2,528 wordsColony on Mars The human race has always explored the unknown. At the dawn of the humanity new lands were the object of exploration. People stimulated by their curiosity and care for the future generations left their overcrowded or exhausted lands and went to unknown virgin territories in search of fertile soil, economic and political independence and secure life for their children. The technological progress of the twentieth century has changed life of the mankind to such an extent, that in ear...
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Dust Particles Solar System
1,011 wordsNeptune is the Neptune Neptune Neptune is the outermost planet of the gas giants. It has an equatorial diameter of 49, 500 kilometers (30, 760 miles) and is the eighth planet from the sun. If Neptune were hollow, it could contain nearly 60 Earths. Neptune orbits the Sun every 165 years. It has eight moons, six of which were found by Voyager 2. A day on Neptune is 16 hours and 6. 7 minutes. Neptune was discovered on September 23, 1846 by Johann Gottfried Galle, of the Berlin Observatory. Neptune ...
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Tail Is Made Frozen Gases Comet
458 wordsComets have been witnessed ever since man has been speculating about objects in the nighttime sky and appear in records from the beginning of recorded civilization (Schweighauser 20). Comets are made up of four distinct features. The first is the nucleus. The nucleus is made up of frozen gases, mostly water vapor with lesser amounts of carbon dioxide and carbon monoxide, and imbedded in the frozen gases are interplanetary dust and tiny fragments of stony and metallic meteoric material. Some come...
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Big Bang Theory Hydrogen Ions
3,468 wordsLuminosity is the amount of light that is radiated from a star. White light is the composition of all colors. In elements, the energy discharge can be displayed as light. Just by looking at the colors that are discharged, one may precisely identify the element. In understanding the universe, the Doppler effect is one of the most important tools. The Doppler effect is a shift in frequency due to a moving source. Skipping a rock on water would be an example of this effect. The circles would be off...
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Carbon Dioxide Mercury Venus
1,583 wordsA Planets The Planets A planet is a celestial body that revolves around a central star and does not shine by its own light. The only planetary system that is known to man is our solar system. It is made up of nine planets, which range in size and characteristics. The nine major planets in our solar system are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. There are also many other minor planets which are also in our solar system, but they are unimportant compared to the...
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