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Search results 1 - 10 of 859 matching essays
- 1: Stars
- Stars A star is a large ball of hot gas, thousands to millions of kilometers in diameter, emitting large amounts of radiant energy from nuclear reactions in its interior. Stars differ fundamentally from planets in that they are self-luminous, whereas planets shine by reflected sunlight. Except for the SUN, which is the nearest star, stars appear only as points of light, even in the largest telescopes, because of their distance. The brightest stars have long been given names. Most of the familiar names originated with the ancient Greeks or ...
- 2: Stars
- Stars Magnitudes The magnitude scale was invented by an ancient Greek astronomer named Hipparchus in about 150 BC He ranked the stars he could see in terms of their brightness, with 1 representing the brightest down to 6 representing the faintest. Modern astronomy has extended this system to stars brighter than Hipparchus' 1st magnitude stars and ones much, much fainter than 6. As it turns out, the eye senses brightness logarithmically, so each increase in 5 magnitudes corresponds to a decrease in brightness ...
- 3: Fusion
- Fusion For centuries, humankind has looked at the stars, and for just as many years humankind has tried to explain the existence of those very same stars. Were they holes in an enormous canvas that covered the earth? Were they fire-flies that could only be seen when the Apollo had parked his chariot for the night? There seemed to be as many explanations for the stars as there were stars themselves. Then one day an individual named Galileo Galilei made an astounding discovery: the stars were replicas of our own sun, only so far away that they seemed as large ...
- 4: Black Holes
- ... will be so strong as to break it up into its component atoms, and throw them out at high speed in all directions. Astronomers have found a half-dozen or so binary star systems (two stars orbiting each other) where one of the stars is invisible, yet must be there since it pulls with enough gravitational force on the other visible star to make that star orbit around their common center of gravity and the mass of the invisible star is considerably greater than 3 to 5 solar masses. Therefore these invisible stars are thought to be good candidate black holes. There is also evidence that super-massive black holes (about 1 billion solar masses) exist at the centers of many galaxies and quasars. In this latter ...
- 5: Appearance vs. Reality of Modern Music Affect on Teenagers
- ... s society the teenager has had more rights than ever before, along with these rights comes responsibility, independence and good judgment. All of those mentioned have been destroyed in many teenagers lives by these "Rock Stars". The modern teenager is exposed to many different things that may affect their lives as they choose to live it, non quite as strong of a force than the effect of music, it is the ... the teenager subject to power corruption but so is the "rock star". This is the important thing to remember when dealing with the subject at hand. There are many reasons why teenagers cling to "rock stars", but there are always more popular reasons than others. One main reason that this occurs is because of the accessibility of what these "rock stars" are publishing. Think of all the things that teenagers have in front of them day-in, day-out; radio, television, clothes of peers etc. All of which are covered with popular musicians. So if ...
- 6: Constellations
- Every culture known to history and anthropology has seen in the heavens distinctive patterns, called constellations, and formed by the stars. Constellations are usually comprised of bright stars that appear close to each other. Oriental cultures (the ancient Chinese, for example) formed intricate patterns from some of the faintest stars, creating hundreds of constellations where the West saw only a few. A few constellations, such as Orion, the hunter, and the Great bear represent the same image to widely separated cultures. So just what ...
- 7: Appearance vs. Reality of Modern Music Affect on Teenagers
- ... s society the teenager has had more rights than ever before, along with these rights comes responsibility, independence and good judgment. All of those mentioned have been destroyed in many teenagers lives by these "Rock Stars". The modern teenager is exposed to many different things that may affect their lives as they choose to live it, non quite as strong of a force than the effect of music, it is the ... the teenager subject to power corruption but so is the "rock star". This is the important thing to remember when dealing with the subject at hand. There are many reasons why teenagers cling to "rock stars", but there are always more popular reasons than others. One main reason that this occurs is because of the accessibility of what these "rock stars" are publishing. Think of all the things that teenagers have in front of them day-in, day-out; radio, television, clothes of peers etc. All of which are covered with popular musicians. So if ...
- 8: Child Stars: From Mozart to Gary Coleman
- Child Stars: From Mozart to Gary Coleman Few things in life are as frustrating as being constantly reminded of your past glories and current inability to reproduce those successes. Yet this is what Mozart had to endure ... say never before Mozart had a person expanded so spectacularly on his or her early accomplishments. To this day the legend lives on, albeit in a more twisted, cynical form. The stories of fallen child stars pepper the tabloids and demonstrate the difficulty of growing up in the public eye, especially in this day and age. That Mozart, though he lived in a far simpler and most importantly, less lucrative time ... been under if he were alive today, trying to write masterpieces. Every aspect of his life, including Freemasonry and his relationship with his cousin, would be under intense scrutiny. It is no wonder that child stars of today go "bad," with the incredible amount of temptations that are available to them (cocaine and thirteen-year old Drew Barrymore). Paradoxically, as we have reached a level of civilization that 18th century ...
- 9: Edwin Hubble
- Edwin Powell Hubble: Great Astronomer of the 19th Century Twinkle, twinkle little star, How I wonder what you are! Up above the world so high, Like a diamond in the sky (Gardner 98). Stars are a marvelous wonder to many people, that is why some people spend most of their lives wondering what is “above the world so high” (Gardner 98). These people study and map the little twinkling stars in order to get a better meaning of them; they are astronomers. Great astronomers like Edwin Hubble, Immanuel Kant, and William Huggins, never stopped valuing the beauty of the stars. While they developed great astronomical principals. One astronomer who fits this mold most is, Edwin Powell Hubble. Wondering about what was out in the universe led to the construction of the 200-in reflector ...
- 10: Cinematography: Everything You Need To Know
- ... Company soon after joining it in 1912; Hal Roach founded his comedy company in 1914; and Charlie CHAPLIN probably had the best-known face in the world in 1916.^During this period the first movie stars rose to fame, replacing the anonymous players of the short films. In 1918, America's two favorite stars, Charlie Chaplin and Mary PICKFORD, both signed contracts for over $1 million. Other familiar stars of the decade included comedians Fatty ARBUCKLE and John Bunny, cowboys William S. HART and Bronco Billy Anderson, matinee idols Rudolph VALENTINO and John Gilbert, and the alluring females Theda BARA and Clara BOW. ...
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