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Free research papers and essays on topics related to: milky way 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
- 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
- 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
- Extraterrestrials - 1,262 words
Extraterrestrials Can the Earth be the only place in the Universe that harbors life? Most astronomers don't believe this is true. Certain statistics in the Universe provide evidence that living beings may be common place through out the universe, on planets of other stars besides the sun. In this paper I plan to discuss the various viewpoints of those that believe that extraterrestrials exist and have even been visiting Earth, and the viewpoints of skpetics that believe that aliens don't exist and have not been visiting Earth. To get into the topic we must first start at the base of the subject. First the question must be dealt with of life being only indigenous to planet Earth. One of the m ...
Related: extraterrestrial life, human race, earth science, milky way galaxy, debate
- From The Big Bang To Life On Earth - 1,239 words
... gets more complicated. Two-thirds of solar type stars (M class) in our Milky Way galaxy are members of binary or multiple star systems. When two stars are orbiting close together, their planets orbit both stars. When the stars are far apart, their planets only orbit one of them. Some problems with this situation include: Planets may not be able to form unless the stars are at least 50 AU away (1 AU = distance from the Earth to the sun) and stable orbits can only be achieved where companion stars are at less than 20 million miles apart or farther than one billion miles.3 A planet's orbit pattern is also of concern. Earth's orbit is very stable and only has a small degree of ellipticity. ...
Related: bang, extraterrestrial life, west virginia, time zone, galactic
- Jocelyn Susan Bell Burnell - 468 words
Jocelyn (Susan) Bell Burnell Jocelyn (Susan)Bell Burnell An important woman in the contribution of science is Jocelyn Bell Burnell. She is a British astronomer that discovered pulsars, which is a tiny, very dense, rapidly rotating neutron star that appear to emit radiation in pulses. Jocelyn was born in 1943 in Belfast, Northern Ireland. She was raised near the Armagh Observatory, which obviously impacted her life She graduated from Glasgow University in 1965 with a B.S. degree in Physics, and in 1968 she received a Ph.D. in radio astronomy from the University of Cambridge in 1968. Jocelyn began her studies by conducting experiments of gamma-ray astronomy at the University of Southampton. Fr ...
Related: bell, jocelyn, susan, electromagnetic spectrum, milky way galaxy
- Quasars - 1,856 words
Quasars Since their discovery, the nature of quasars has been one of the most intriguing and baffling problems as evidenced by the following quotations: the problem of understanding quasi-stellar objects is one of the most important and fascinating tasks in all physics - G.Burbidge and Hoyle. The quasar continues to rank both as one of the most baffling objects in the universe and one most capable of inspiring heated argument - Morrison. The redshift problem is one of the most critical problems in astronomy today - G. Burbidge. Quasars still remain the profoundest mystery in the heavens - Hazard and Mitton. The conventional interpretation of the spectral lines observed in quasars is based on ...
Related: quasars, milky way galaxy, early stages, hubble telescope, camera
- Saturn Is A Large And Beautiful Planet It May Be Best Know Known For The Prominent Rings That Surround It, Which Gives The Pl - 1,678 words
Saturn is a large and beautiful planet. It may be best know known for the prominent rings that surround it, which gives the planet its unusual appearance. Saturn is one of the nine planets orbiting in our solar system. It is the sixth planet from the sun in the Milky Way galaxy. The ancient symbol for Saturn is . Astronomers still use this symbol to represent the planet. It was named after the ancient Roman god of planting and harvest. To honor Saturn, every year the ancient Romans held a joy- filled feast known as the Saturnalia. This festival began near the end of December and lasted for a week. During the festival period, prisoners were freed from jail as an act of good will; Roman armies ...
Related: planet, prominent, saturn, surround, ancient roman
- Searching For Dark Matter, With Both Eyes Closed - 302 words
Searching For Dark Matter, With Both Eyes Closed. NYTimes Article Category #2. Ciara Jamie Connolly 05.02.00 Submitted 05.04.00 Searching For Dark Matter, With Both Eyes Closed. In a deficit-reduction measure in 1993, the Congress killed plans already underway for building the superconducting super collider. This proved that the US was ill prepared to join their European colleagues in studying subatomic particles in the nucleus. This $10 billion machine designed to speed protons around a 54-mile track and collide them, so scientists could examine the quarks, elementary particles said to be at the heart of the nucleus. This machine is the utmost in technological advancement this century. Euro ...
Related: dark matter, searching, milky way galaxy, technological advancement, finance
- Stars - 1,896 words
... jects with a starlike composition but too small to initiate nuclear reactions may also exist in the universe, helping to account for the "missing mass" of COSMOLOGY theories (see BROWN DWARF). Mass More than half of all stars are BINARY STARS--two or more stars that orbit one another. About 100 orbits have been measured accurately. These measurements provide perhaps the most important characteristic of a star: its mass. From Newton's Laws of gravitation and motion, it is known that two highly massive stars must orbit (one around the other) faster than two stars of lesser mass at the same distance apart; thus the masses can be calculated from the orbit size and the period of the orbit. If ...
Related: north star, stars, total number, white dwarfs, hall
- Supernovas - 694 words
Supernovas A supernova is a STAR that explodes. It suddenly increases in brightness by a factor of many billions, and within a few weeks it slowly fades. In terms of the human lifespan, such explosions are rare occurrences. In our Milky Way galaxy, for example, a supernova may be observed every few hundred years. Three such explosions are recorded in history: in 1054, in 1572, and in 1604. The CRAB NEBULA consists of material ejected by the supernova of 1054. Such materials, known as supernova remnants, are common in the heavens. The supernovas observed in modern times have all occurred in other galaxies, the most distant yet having been detected in 1988 in a galaxy 5 billion light-years awa ...
Related: solar system, milky way galaxy, important role, shortly, lifespan
- The Age Of The Universe - 1,639 words
The Age of the Universe INTRODUCTION: The goal of the project is to find the age of the universe according to the theory that there were equal amounts of the two uranium isotopes U235 and U238 at the time of the Big Bang. At present, there are 137.7 U238 atoms for each atom of U235. We know that the half-life of U235 is 0.71 billion years, and the half-life of U238 is 4.51 billion years, we used this information to determine the age of the universe. We started by looking at the problem mathematically and then after figuring out the age of the universe with the above information. We proceeded to look for other sources of information about the age of the universe with supporting data. The two ...
Related: universe, milky way galaxy, science news, edwin hubble, unstable
- The Case For The Existence Of God - 3,155 words
The Case For The Existence of God by Bert Thompson, Ph.D. Introduction Either God exists or He doesn't. There is no middle ground. Any attempt to remain neutral in relation to God's existence is automatically synonymous with unbelief. It is far from a "moot" question, for if God does exist, then nothing else really matters; if He does not exist, then nothing really matters at all. If He does exist, then there is an eternal heaven to be gained (Hebrews 11:16) and an eternal Hell to be avoided (Revelation 21:8). The question for God's existence is an extremely important one. One might wonder why it is necessary to present evidence for the existence of God. As Edward Thomson so beautifully stat ...
Related: existence of god, god's existence, david hume, natural world, refusing
- The Principle Events In The Evolution Of The Earth - 657 words
The Principle Events In The Evolution Of The Earth The Principle Events in the Evolution of the Earth's Atmosphere The literal translation of the word atmosphere is sphere of vapors. The Earth's atmosphere is a protective sphere of vapors, or air that surrounds the Earth and provides it with a layer of insulation from the harmful rays of the sun. It is a vital part of the Earth, and has changed dramatically since the beginning of time. The earth's atmosphere has gradually changed since the Earth's birth approximately 4.6 million years ago. In the beginning, the Earth's composition was very different that how it exists today. A long time ago the Earth's atmosphere was very similar to today's ...
Related: evolution, milky way galaxy, carbon dioxide, over time, venus
- The Principle Events In The Evolution Of The Earths Atmosphere - 659 words
The Principle Events In The Evolution Of The Earth's Atmosphere The Principle Events in the Evolution of the Earth's Atmosphere The literal translation of the word atmosphere is sphere of vapors. The Earth's atmosphere is a protective sphere of vapors, or air that surrounds the Earth and provides it with a layer of insulation from the harmful rays of the sun. It is a vital part of the Earth, and has changed dramatically since the beginning of time. The earth's atmosphere has gradually changed since the Earth's birth approximately 4.6 million years ago. In the beginning, the Earth's composition was very different that how it exists today. A long time ago the Earth's atmosphere was very simila ...
Related: atmosphere, evolution, over time, milky way galaxy, ocean
- Ufos And Aliens On Earth - 1,122 words
... on. The debris from the crash site, and the debris in the field, was also loaded up and taken to different places around the country. There are three main types of aliens that are said to visit Earth. There are many other species that have been reported, but these incidents are to sporadic and unsupported to believe. The first type of alien are called the Greys, short, militaristic aliens with no apparent emotion. They can take a humans life with no apparent regard for that individual. They are between 3.5 - 4.5 feet tall, and are totally grey with a slit mouth and oval eyes. They focus mainly on the study of other lifeforms, and genetic engineering. Finally, they are a completely cloned ...
Related: aliens, ufos, holy land, genetic engineering, genetic
- Visit To The Planetarium - 822 words
Visit To The Planetarium Astronomy Second Paper 11-27-00 I attended the Wagner College Planetarium(located in Spiro Hall)on November 15, 2000 at 11:00 for research and to observe the stars, planets and our entire solar system more closely. There was a clear dome on the ceiling for us to see the sky. The director of the show was Dennis Anderson. He put the latitude to forty degrees, and dimmed the lights. Up in the sky the stars are beautiful and bright. They seem, by the naked eye to be moving but the earth is what is actually moving. Everyone knows that the sky doesn't move. The earth rotates around the sun. The earth being in a different spot in its' orbit all the time gives us different s ...
Related: milky way galaxy, second paper, solar system, naked, planets
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