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- Black Holes - 1,516 words
... n in space. At this exact point in time, high amounts of radiation are given off, and with the proper equipment, can be detected and seen as an image of a black hole. Through this technique, astronomers now believe that they have found a black hole known as Centaurus A. The existence of a star apparently absorbing nothingness led astronomers to suggest and confirm the existence of another black hole, Cygnus X1. By emitting gravitational waves, non-stationary black holes lose energy, eventually becoming stationary and ceasing to radiate in this manner. In other words, they decay and become stationary black holes, namely holes that are perfectly spherical or whose rotation is perfectly uni ...
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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 ...
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... 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 ...
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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 ...
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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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... 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 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, ...
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Black Holes Black Holes Black holes are one of the more bizarre and intriguing predictions of Einstein's theory of gravity. Surprisingly, there is now a great deal of observational evidence that black holes do exist, both in binary star systems and at the center of most galaxies, including our own. Although we are gaining more knowledge of black holes, they still remain one of the strangest things anyone has ever heard of, and we may never know what exactly one of these things are and can do. It is impossible to manufacture black holes in a laboratory. The density of matter required is too great. In order to make a black hole the size of a baseball, you would have to pack all the matter in a ...
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Black Holes stence. The Search for Black Holes: Both As A Concept And An Understanding For ages people have been determined to explicate on everything. Our search for explanation rests only when there is a lack of questions. Our skies hold infinite quandaries, so the quest for answers will, as a result, also be infinite. Since its inception, Astronomy as a science speculated heavily upon discovery, and only came to concrete conclusions later with closer inspection. Aspects of the skies which at one time seemed like reasonable explanations are now laughed at as egotistical ventures. Time has shown that as better instrumentation was developed, more accurate understanding was attained. Now it s ...
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... or real, existing ones. The singularity in the this hole is more time-like, while the other is more space-like. With this subtle difference, objects would be able to enter the black whole from regions away from the equator of the event horizon and not be destroyed. The reason it is called a black hole is because any light inside of the singularity would be pulled back by the infinite gravity so that none of it could escape. As a result anything passing beyond the event horizon would dissappear from sight forever, thus making the black hole impossible for humans to see without using technologicalyl advanced instruments for measuring such things like radiation. The second part of the name ...
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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 ...
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Black Holes: Infinity and Beyond If theories of their existence are true, black holes are the most powerful force in the known physical universe. Many people are familiar with the term black hole, but few people actually know anything about them. A black hole forms as a result of a massive star running out of fuel to burn (Chaisson, 193). Once the star is no longer exerting outward force by burning off gases, it begins to collapse under its own intense, inward gravity (Chaisson, 193). It is like slowly letting the air out of a balloon. Once the star is compacted to a certain size, while its mass, or weight, remains the same, its gravity becomes so powerful that nothing can escape it (Hawking ...
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A Philosopher Of Nature A PHILOSOPHER OF NATURE December 1, 1998 Paper # 2 Intro to Philosophy Fifty years ago the single greatest philosopher walked upon this earth. How can I be so dauntless as to refer to one man as The Greatest philosopher? The answer is simple. All philosophers ask questions. Few of these questions will produce earth-shattering revelations and even fewer will change the world. Out of the handful of philosophers who have made a difference in the world I can think of only one who has, by use of an amazing mind and knowledge of complex mathematics, changed the world forever. Albert Einstein was born in Ulm Germany on March 14, 1879, and spent his youth in Munich, where his ...
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Anti-Matter Introduction Ordinary matter has negatively charged electrons circling a positively charged nuclei. Anti-matter has positively charged electrons - positrons - orbiting a nuclei with a negative charge - anti-protons. Only anti-protons and positrons are able to be produced at this time, but scientists in Switzerland have begun a series of experiments which they believe will lead to the creation of the first anti-matter element -- Anti-Hydrogen. The Research Early scientists often made two mistakes about anti-matter. Some thought it had a negative mass, and would thus feel gravity as a push rather than a pull. If this were so, the antiproton's negative mass/energy would cancel the p ...
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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 ...
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... 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 ...
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Could Gambling Save Science: Encouraging an Honest Consensus To appear in Social Epistemology, 1992. (version appeared: in Proc. Eighth Intl. Conf. on Risk and Gambling, London, 7/90.) C O U L D G A M B L I N G S A V E S C I E N C E? Encouraging an Honest Consensus by Robin Hanson Visiting Researcher, The Foresight Institute P.O. Box 61058, Palo Alto, CA 94306 USA 510-651-7483 The pace of scientific progress may be hindered by the tendency of our academic institutions to reward being popular, rather than being right. A market-based alternative, where scientists can more formally "stake their reputation", is presented here. It offers clear incentives to be careful and honest while contributi ...
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History And Philosophy Of Science The world of science, as we know it today, is a difficult subject to grasp. So many new ideas are present and these new ideas are not interchangeable. Some parts do work together although as a whole they dont fully coincide with each other. The three basic ideas that science is now based upon come from Newton, Einstein, and Hawking. I call these ideas/theories new based on what I classify the state of the scientific community of today. After looking at what is going on in science, it is clear to me that the scientific world is in a crisis state. According to Kuhn, a crisis state is when science is in the middle of choosing a particular paradigm to work under ...
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Hypernova Mysterious Blast, Hypernova Gamma-ray bursts (GRB) have left astronomers scratching their heads since the late 1960s when they were discovered by U.S. military satellites. Part of the mystery began to unlock when astronomers at Northwestern University detected the first observational evidence for the remnants of hypernovae, explosions hundreds of times more powerful than supernovae, last year. Hypernovae may be the possible source of GRBs, making them the most energetic events known in the Universe besides the Big Bang. Northwestern astronomer Daniel Wang identified two hypernova remnants in galaxy M101, also known as the Pinwheel galaxy some 25 million light years away, in April 1 ...
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Origins and Bibliography of the Big Bang Theory ORIGINS: Background & Bibliography ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Assembled for the PHILOsophy Conference of: Computer Connection PO Box 382 BBS (609) 784-9404 Voorhees, NJ 08043 by T.A. Hare Nov. 13, 1985 Topic: Areas of interaction between philosophy, science, andreligion. Part I - Big Bang (Astronomy) Part II - Unified Field (Particle Physics) Part III - Evolution (Biology). Part IV - Theologic interaction - - - - Part II - Unified Field Theory of Particle Physics: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ And God said, "Let there be an expanse between the waters to separate water from water." (Gen. 1:6) And God said, "Let the water unde ...
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