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Brief essay on black holes
Brief essay on black holes
Black hole essay for physics
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Recent theories advocate that every black hole accommodates a universe --and that we’re inside a black hole right this instant --and that the universe itself initiated when a four-dimensional star disintegrated into a black hole. In addition to the astonishment to black holes , the gravitational pull of a black hole can immeasurably slow down time itself, according to relativity. If you could import or bring a spaceship to a black hole, orbit around it for awhile, and then fly back to Earth, you would have auspiciously traveled to the future. Black holes are the most perplexing phenomenon in the universe, generating them the subject of an abounding amount of research, discussion, and science fiction. Astonishingly,a black hole is a great …show more content…
A black hole can not be seen because of the strong gravity that is pulling all of the light into the black hole's center. However, black holes can be identified indirectly by the material around and going into it. The conception of a black hole was first introduced in 1783 by an English amature astonomer named John Michell, who was laboring under the Newtonian assumption that light particles had mass. Using Newton’s Laws, John Michell independently suggested the existence of an "invisible star." Michell computed the mass and size, which is now called the "event horizon,” that an object needs in order to have an escape velocity greater than the speed of light. Today, because of the enhancements in technology, studies, and authentic research, there is unambiguous evidence that black holes do remain in the universe. In 1915, Einstein's theory of general relativity predicted the existence of black holes. In 1967 John Wheeler, an American theoretical physicist, applied the appellation "black hole" to these collapsed objects. Not to mention, astronomers miraculously found plausible evidence for a supermassive black hole in not only the center of our own Milky Way galaxy, but in the galaxy NGC 4258, the giant elliptical galaxy M87, and several others. Scientists verified the existence of black holes by examining the speed of the clouds of gas orbiting those regions. In 1994, Hubble Space Telescope data measured the mass of an unseen object at the center of M87. Based on the motion of the material whirling about the center, the object is approximated to be about 3 billion times the mass of our Sun and appears to be concentrated into a space more meager than our solar system. For many years, X-ray radiation from the double-star system Cygnus X-1 convinced many astronomers that the system
For the Science Reader project, I read Black Holes, Wormholes, and Time Machines by Jim Al-Khalili. Interested in time travel and the secrets of space, I chose this book with hopes of better understanding our universe.
Death by Black Hole: And Other Cosmic Quandaries is a biography that is divided into 5 chapters total and a total of 42 mini sections. Bringing together more than forty of Tyson's favorite essays explores a myriad of cosmic topics, from what it would be like to be inside a black hole to the movie industry's feeble
Black holes are thought to be a portal to another dimension or a way for time to slip. Mainly all these theories follow the laws of physics and do not cross any illogical possibilities. For a way in which we can achieve any of these would be through many more years of research. If even physically possible for any of these hypotheses to coexist with one another. Learning that there’s a possible way for black holes to allow time to lapse or elapse. The study has been a challenge, finding ways in which these ideas could work. Theories about space time are not always true, but they allow us to have an improved understanding towards the, what ifs.
The origins of the super-massive black holes which concludes how they were formed and what caused them to form is an unsolved problem which is yet a mystery of astrophysics. ( Millis 2014)
...f gas, which collapsed and broke up into individual stars. The stars are packed together most tightly in the center, or nucleus. Scientists believe it is possible that at the very center there was too much matter to form an ordinary star, or that the stars which did form were so close to each other that they coalesced to form a black hole. It is argued that really massive black holes, equivalent to a hundred million stars like the Sun, could exist at the center of some galaxies
The idea of Black Holes was first proposed in the 1700s by scientists John Michell and Pierre-Simon Laplace, who argued, independant of each other, that there might be objects in the universe with such a large gravitational force, that even light could be trapped. Published in 1916 Einstein’s theory of general relativity which included how gravity does affect light’s motion, gave way to scientific discoveries involving black holes. In Einstein’s own theory, he was only able to approximate the solutions to some of his own equations, however Karl Schwarzschild was able to provide the solutions. These solutions described objects like black holes that had such massive density that nothing could escape them. Schwarzschild theorized that if an object had such a small radius, that the escape velocity will be greater than the speed of light. Because as previously mentioned, nothing is faster than the speed of light, the object would be sucked into itself by it’s own gravitational pull, which would cause the object to disappear. What r...
Black holes - the strange scientific phenomenon that has astounded physicists and astronomers alike for decades. Popular subjects in science fiction novels, black holes are one of the greatest enigmas of the scientific world. Even today, the concept of a super-dense ball of matter that not even light can escape from is somewhat farfetched, and many scientists disagree with each other about nearly every aspect of a black hole. This project will attempt to shed some light on these mysterious formations, and will inform you the reader of the most popular and widely accepted theories surrounding them.
Although Dr. Hawking impacts many areas of science and cosmology, his work with black holes has revolutionized modern physics. He works in all areas of black holes, including how they work, singularities, and most importantly, Hawking radiation. Black holes are very simpl...
Just recently a major discovery was found with the help of a device known as The Hubble Telescope. This telescope has just recently found what many astronomers believe to be a black hole, After being focuses on a star orbiting empty space. Several pictures of various radiation fluctuations and other diverse types of readings that could be read from that area which the black hole is suspected to be in.
Have you ever been on a website that gave you false information? This is not improving our lives at all or making us smarter because we believe the information is true until someone tells us it’s not. Then you have to forget what you been thinking the whole time and relearn it all over. This is why I believe that electronic and online access doesn’t improve our lives. Social networking usually can lead to anxiety, low self-confidence, and loneliness in teens according to page 230 in the textbook.
Black holes were originally thought to have only mere mathematical concepts. There was seemingly no possible way to compress any object into a space small enough to equal to its schwarzschild radius. Later however, astronomer Subrahmanyan Chandrasekhar calculated that stars much larger than our own sun should theoretically be able to collapse into a black hole (UTFC). A star is like a blown up balloon with the force of gravity trying to compress the balloon inwards and the air trying to push the balloon outwards. Likewise, stars are held in balance by gravity trying to collapse the star inwards going against the outwards pressure of the internal reactions of the star called nuclear fusion. If the star is big enough and the pressure inside quickly disappears, gravity would and should slingshot the star into a tiny point with near infinite density with an extremely strong gravitatio...
Throughout the ages, outstanding physicists, to the movies, to some of the greatest science fiction novels of all time, have pondered the idea of time-travel. The thought of actually being able to travel to another time or universe has long since enthralled, enveloped, and overwhelmed some of the greatest minds in the history of physics. No one person can actually prove any of their theories, but a few actually make sense. Meaning that they do not violate the laws of physics. One of the main theories suggested, are wormholes. Wormholes are considered to connect two regions of flat space-time, two universes, or two parts of the same universe. There is a lot of theoretical evidence that wormholes exist, with an equal amount of evidence that they do not exist. However, no matter what one’s belief is, the existence of wormholes still makes you wonder…
In the desert there’s Camp Green Lake a boys' juvenile detention center in Texas, but there is no lake and all day the boys just dig. Unfortunately Stanley’s sent to Camp Green Lake for a crime he did not commit. You’d never fully understand the novel Holes by Louis Sachar until you’ve read it, the end of the novel was kind of surprising, but I feel more details should have used about involving when Zero comes home at the end.
Black holes are the result of the death of a massive star, leaving behind a dense remnant core that eventually collapses to create a gravitational force so strong that nothing, including light, can escape the force. The theory that black holes existed started back in the early 1900s and since then astronomers and scientists have been trying to get a better understanding of them. This phenomenon has been a working progress for astronomers and scientists for many years and as we develop a better understanding of our solar system, the more likely it is to make a significant discovery that can answer some of the most difficult questions about our incredible galaxy and solar system. The more information we are able to acquire about our universe, the more questions we might be able to answer about our existence. With advancements in technology we may be able to see some significant discoveries and insights into the world of black holes.
Two galaxies which are believed to revolve around our own are the Small and Large Magellanic Clouds. Only visible from the Southern Hemisphere, Magellan, the famous European explorer, was the first to describe these galaxies. Even though we know a great amount more than the astronomers in the past, there is still an even larger amount we do not know about the universe to this day. Even our own solar system contains many questions yet to be answered. Some of these include the possibility of a planet beyond Pluto (Planet X), the means by which the system was created, and even the possibility of a sister star to the Sun named Nemesis.