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Free research papers and essays on topics related to: galaxy

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  • A Galaxy - 540 words
    A Galaxy A Galaxy: Characteristics, Contents and Types Galaxies are huge and contain billions of stars. They contain all of the stars of the Herzspring-Russell diagram, open cluster, emission, nubula, reflection nubula, nova remnants and supernova remnants. We have three different and distinct types of galaxies, which are spiral galaxies, eluptical galaxies, and last but not least irregular galaxies. The Milky Way galaxy, which is a representative of a spiral galaxy, is basically lens-shaped. Its circumference is about 120,000 light years across. On a dark summer night, we are able to see a few of the Milky Way's arm. The Milky Way, as all spiral galaxies, rotates on its axis. However, it do ...
    Related: galaxy, milky way galaxy, dark matter, different types, massive
  • Hitch Hikers Guide To The Galaxy - 749 words
    Hitch Hiker`s Guide To The Galaxy The title, Hitch Hiker`s Guide to the Galaxy is the name of a sort of electronic encyclopedia, which contains information about just about anything in the galaxy and is especially made for Hitch Hiker`s. Ford Prefect is an editor for the Guide. All along the story Ford and Arthur are often helped out by this little gadget. Structure This edition that I have read is a part of a collection called The Hitch Hiker`s Guide to the Galaxy: a trilogy in four parts. It contains four books, the first of which I will be doing this book report on. Setting The story begins in England, in Arthur Dents home, but it soon expands to a science fiction like setting in outer sp ...
    Related: galaxy, guide, electronic encyclopedia, science fiction, arthur
  • The Galaxy - 1,773 words
    The Galaxy June 15, 2007 It was the strangest thing. It all began on the evening of June 15th 2005. My grandmother passed away. This was weird because no body even knew she was dying. Well maybe it was just her time to go. It was a very rough couple of days. My sisters, my mother and I set up the calling hours for her wake, and the time and place for her funeral. It was vary hard to concentrate on these tasks when one of our loved ones had passed away. About two weeks had passed and things were begging to return to normal. It had been a tremendous loss for our family, but we all knew that we had to get on with our lives. I recall a message that was left on my mother's answering machine repor ...
    Related: galaxy, mel gibson, dear diary, brad pitt, mike
  • 2001: A Space Odyssey - 1,255 words
    2001: A Space Odyssey The concept of space travel has been an interest to many since the beginning of time. Today, scientists are moving at a comfortable pace to expand our vast knowledge of the universe. Many authors dreamed of the possibilities while scientists tried to bring them to reality. The book "2001: A Space Odyssey," written by Arthur C. Clarke in the 1960's, proposed ideas about advanced space travel that took place in a time period only two years from now; however, at the current rate of the space program, mankind is nowhere near the technology showed by the book. Clarke uses concepts of space travel that can still only be dreamed of today. Clarke, an author of the sixties, had ...
    Related: odyssey, outer space, space odyssey, space program, space shuttle, space technology, space travel
  • Aggression And Its Intricacies - 2,232 words
    ... 19;s quota of aggression will not cause him to kill acquaintances, let alone wage war against strangers from a different country┘.The overwhelming majority of those who have killed┘have done so as soldiers in war, and we recognize that that has practically nothing to do with the kind of personal aggression that would endanger us as their fellow citizens. (8) Here a regular serving soldier spoke with experience of seeing the numerous soldiers that "[derived] their greatest satisfaction from male companionship, from excitement, and from the conquering of physical obstacles." Those men were most likely part of the 2 percent of combat soldiers (as noted by Swank and Marchandρ ...
    Related: aggression, world war ii, francis galton, human existence, cruel
  • Agression - 2,162 words
    ... in numerous altercations as children. Not as bullies but rather as fighters, the type of person who would not back down once attacked or hurt. This seemed like a strange connection between the type of job and a similarity in childhood activities, because significantly less than a third of school populations engage in fights on a regular basis. This seems to point at a genetic capacity for violence and aggression. More informally, Gwynne Dyer has felt, through his experiences as a soldier, his genes at work as he says; Aggression is certainly part of our genetic makeup, and necessarily so, but the normal human beings quota of aggression will not cause him to kill acquaintances, let alone ...
    Related: agression, sexual offenders, classical conditioning, aggressive behavior, weapons
  • Aliens - 1,911 words
    Aliens -- Copyright Information -- 1999 SIRS Mandarin, Inc. -- SIRS Researcher Spring 1999 Title: Scientists: UFO Reports May Be Worth Evaluating Author: Michelle Levander Source: San Jose Mercury News (San Jose, CA) Publication Date: June 28, 1998 Page Number(s): n.p. --------------------------- SAN JOSE MERCURY NEWS (San Jose, Calif.) June 28, 1998, n.p. (c) 1998, Knight-Ridder Newspapers. Distributed by Knight-Ridder/Tribune Information Services. SCIENTISTS: UFO REPORTS MAY BE WORTH EVALUATING by Michelle Levander Mercury News Staff Writer For more than 50 years, UFO investigators have scoured the skies for signs of alien life--completely snubbed by the scientific community as cranks. Bu ...
    Related: aliens, central intelligence agency, stanford university, staff writer, rockefeller
  • Astronomers - 1,780 words
    Astronomers Part One Brief Descriptions of the Following Astronomers: Walter Baade : Baade was a German-born American, whose work gave new estimates for the age and size of the universe. During the wartime, blackouts aided his observatons and allowed him to indentify and classify stars in a new and useful way, and led him to increase and improve Hubble's values for the size and age of the universe (to the great relief of geologists.) He also worked on supernovae and radiostars. Milton Humason : Humason was a colleague of Edwin Hubble's at Mt. Wilson and Palomar Mtn. who was instrumental in measuring faint galaxy spectra providing evidence for the expansion of the universe. Jan Oort : In 1927 ...
    Related: catholic church, isaac newton, solar system, holland, medieval
  • Atomic - 2,186 words
    ... re were no smells. There was no movement. Every step I took made a gravelly squeak in blue-white frost. And every squeak was echoed loudly. The season of locking was over. The Earth was locked up tight (179).This description eerily resembles what many have said the Earth will look like during a nuclear winter (Stone, 62). In addition to Dr. Hoenikker and his doomsday games, Vonnegut provides an interesting analysis of atomic age society with the Bokonon religion. This religion, completely made up by Vonnegut and used in this novel, is the religion of every single inhabitant of San Lorenzo, the books imaginary banana republic. This is the island where Jonah eventually ends up, and where t ...
    Related: atomic, atomic bomb, collected poems, nuclear waste, ripper
  • Attacked By A Friend - 722 words
    Attacked By A Friend Attacked by a friend Long long time ago in a galaxy far far away. Really only four years ago on a Friday night in a small redneck town just west of Atlanta. We had just moved to a new home in the same city. My younger brother had a friend, whose name is Jason, spend the night at our new home. As the Friday evening wore on, I mostly stayed in my room on the internet. I did the best as I could to be as anti-social as I could. However, at last, all of the people I was talking to on CompuServe signed off and I was left all alone. Therefore, as hard as it was for me to go to my brothers room and play with him and his friend, I did it. I had a blast. The night was actually tur ...
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  • Australian Sports - 886 words
    Australian Sports Sport in Australian Society Australian people's lives are greatly affected by sport. In Australia, most people will either participate in sport or watch sport, wether it at the arena or on television, what ever you do it would be hard not be caught up in all the hype surrounding sport. A lot of people will participate on weekends at a social level, but some people will play representative sport, that is the reason that many Australians have come to think of themselves as a great sporting nation. It is these ideas that have allowed Australian athlete's to become world champions. People participate in sport not only for the physical values but the values of team sprit, sports ...
    Related: australian, competitive sport, sports, physical fitness, physical education
  • Black Holes - 1,163 words
    Black Holes Peters 1 Ron Peters Dr. James R. Pierce CP English 2 20 April 2000 Black Holes A Black hole is a theorized celestial body whose surface gravity is so strong that nothing, including light, can escape from within it's surface. Gravity is the key to a black hole's immense power. The black hole's strong gravity keeps captured material from escaping. For example, if Earth were the same mass it is now but had only one-fourth its present radius, the escape velocity of someone standing on its surface would be twice what it is now. Black holes have a power far greater than our minds can imagine. This report will go into further discussion on these massive holes in space. Now, though, astr ...
    Related: black hole, black holes, albert einstein, hubble space, traveling
  • Black Holes - 1,218 words
    ... stence. The singularity, to some scientists, is nature's way of saying that the present physical laws we are using are not adequate to cope with the situation-perhaps we have missed the proper application of some existing laws or, in the extreme, because new laws are needed. Other scientists are just as certain that once we have a black hole, the singularity is ruled out; they indicate that as it takes an infinite time to reach the gravitational radius and as the universe spans a finite time, the black hole simply does not have enough time to go to a singularity. Perhaps an example will serve to illustrate what happens in space-time that could give rise to a singularity. Picture a thin s ...
    Related: black hole, black holes, stephen hawking, space time continuum, possesses
  • Black Holes - 797 words
    Black Holes Black Holes There are many strange and wonderful phenomenons being discovered throughout our Universe. One of the most intriguing is the concept of a black hole in space. Astronomers have discovered a black hole just 1,600 light years away from Earth. The National Radio Astronomy Observatory cataloged this black hole in the constellation Sagittari on a star called V4641. A black hole is one form of a dead star. A star has three choices when it dies, it can: shrink until it is a white dwarf, shrink until it is a neutron star, or keep on shrinking until it is a point in space with an infinite density known as a black hole. A black hole is an extremely dense outer space body that ha ...
    Related: black hole, black holes, electromagnetic radiation, hubble space telescope, stuck
  • Black Holes - 753 words
    Black Holes Within our galaxy alone, there are millions upon millions of stars. Within our universe, there are millions upon millions of galaxies. Humans have known the existence of stars since they have had eyes. Although interpretations may have differed on what they were, they were always thought of as white glowing specks in the sky, but the mystery does not lie within what we can see, but what we can not see. There are billions of stars lighting the darkness of our universe, but the question lies in what happens when one of these enormous lamps burns out. Upon many speculations, one of the most fascinating is the black hole theory. Not any star can become a Black Hole. For instance, the ...
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  • Black Holes - 1,762 words
    ... lack Holes by Table of Contents I. What are black holes? II. Where do they come from? III. Interesting facts about black holes. IV. How are they discovered? A. X-ray Emissions B. Exotic Energy Sources C. Star speeds D. Masers E. The Baseline Array F. Hubble Telescope G. Satellites V. Quasi-Stellar Relations VI. Locations A. M87 B. Milky Way C. Andromeda D. ?????? E. NGC 6240 F. A0620-00 What are black holes? Black holes are the remains of a massive star that has collapsed and shrunk to a tiny point in space. They have all of the gravity of the star concentrated into that point. Black holes are difficult to see because they cannot be seen. They cannot be seen because they are spinning fas ...
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  • Black Holes - 805 words
    Black Holes On December 3, 1995, astronomers using the Hubble Space Telescope identified a black hole in the galaxy NGC 4621, located 100 million light-years from Earth in the direction of the constellation Virgo. This is the second super-massive black hole that astronomers using the Hubble Space Telescope have found. Astronomers believe that the mass of this black hole is about 1.2 billion times the mass of our sun, but it is concentrated in a space that is not any bigger than our solar system There are two puzzling questions that astronomers are trying to answer. The black hole is fueled by the galaxy and its 800 light-year-wide spiral disk of dust. Before the discovery of this black hole, ...
    Related: black hole, black holes, life cycle, space telescope, sucks
  • Black Holes As Future Power Plants - 1,996 words
    Black Holes As Future Power Plants Black Holes: The Power Source for Future Space Travel? Ryan Weaver University of Alaska Anchorage Everyone knows that the spaceships in Star Trek that travel faster than the speed of light are mere science fiction. According to Einstein's theory of relativity, if an object reached the speed of light, its mass would be immediately transformed into energy. Currently our spaceships can not even reach mars in less than five years. Now, with modern theories of black holes, trips to other solar systems may be possible at nearly the speed of light. Black holes were only proven to exist within the last twenty-five years and were only really considered to exist for ...
    Related: black hole, black holes, nuclear power, power plants, power supply
  • Blackholes - 1,846 words
    Blackholes Black holes are objects so dense that not even light can escape their gravity, and since nothing can travel faster than light, nothing can escape from inside a black hole . Loosely speaking, a black hole is a region of space that has so much mass concentrated in it that there is no way for a nearby object to escape its gravitational pull. Since our best theory of gravity at the moment is Einstein's general theory of relativity, we have to delve into some results of this theory to understand black holes in detail, by thinking about gravity under fairly simple circumstances. Suppose that you are standing on the surface of a planet. You throw a rock straight up into the air. Assuming ...
    Related: theory of relativity, black hole, black holes, absorption, faster
  • Blackholes - 1,808 words
    ... inclination i of the system, and several important things can be calculated. The mass function f(M) = M2^3 sin i / (M1 +M2)^2 gives a relation between the masses of the two bodies, and the semi-major axis a1=AM2/(M1+M2)^2 sin i (where A is the separation of the centers of mass) gives the size of the orbit, which can also be related to the rotational velocities of the stars. A spectroscopic binary with no visible companion would be a candidate for a black hole, and if the dim star's mass is determined to be greater than that of the visible star, it would be a promising candidate. However, this method consists of many uncertainties. Although there were no hard cases for black holes any sci ...
    Related: black holes, general relativity, electromagnetic radiation, electromagnetic, companion
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