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    Landmarks of Science

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    that not even time‚ mass or length are constant – they vary according to our perspective of them. Edwin Hubble He began a painstakingly slow observation of nebulae‚ small patches of light that appeared outside our galaxy. Edwin Hubble discovered that these nebulae were in fact galaxies like our own‚ millions of light years away from us‚ which proved that the universe was vastly larger than had previously been thought. Fleming He saw a blue mould in the dish around which the bacteria had been destroyed

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    Nsci Midterm

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    compelling body of evidence. -Must NOT have failed any crucial test of its variety. Chapter 3 The Universal Context Review Earth- home sweet hom SOLAR SYSTEM- SUN & THINGS ORBITING THE SUN Galaxy- Large group of stars‚ sun is the mily way galaxy‚ gravitationally bound Cluster group- groups of galaxies Super cluster- group of clusters Observable Universe-

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    Black Holes Essay

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    black holes- stellar and super massive. Stellar sized black holes are the remnants of massive dead stars that have imploded. It is estimated that our galaxy contains millions of these stellar black holes. Super massive black holes can have a mass millions of times that of the Sun. It is believed that these massive holes are in the center of every galaxy. There may be mini black holes‚ smaller than atoms in volume but as massive as whole mountains. There are some black holes lying between stellar and

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    exchanging energy with the fundamental particles. This could no longer take place so easily with atoms so the photons filled interstellar space in the form of almost a ’gas’. Over a period of 10 billion years this matter and energy coagulated into stars‚ galaxies and planets and continued to expand‚ forming what we now know as the universe. The big bang theory was initially suggested by Georges Lemaitre in 1927. His proposal came after comparing a model of the universe based on Einstein’s theories with observations

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    First‚ he discovered the existence of far of galaxies and was able to show the galaxies in all stages of evolution (amazingspace.org). These galaxies had never been discovered or seen before this. The Hubble space telescope also helped answer how rapidly the universe is expanding and for how long. Thanks to the Hubble telescope we were able to determine

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    HOMEWORK

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    Makail Betsill @02754728 Section: 04 Due Wednesday Dec. 3rd 2014 Planetary Science Lecture: Astronomy HW Chap 6 pgs. 186-7: 3‚ 4‚ 5‚ 10‚ 13‚ 15‚ 16‚ 19‚ 20‚ 23 3. What are the four major features of our solar system that provide clues to how it was formed? Describe each one briefly. Four major features provide clues: (1) The Sun‚ planets‚ and large moons generally rotate and orbit in a very organized way. (2) With the exception of Pluto‚ the planets divide clearly into two groups: terrestrial

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    Essay On Big Bang Theory

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    discovered in the California laboratory in 1929‚ is the red shift. The concept of red shift is that if the source of light is moving away from the earth the color of the light is red due to the wavelength. The red shift supports the idea that the galaxies are moving away from us. It also suggests that the universe is indeed expanding. Meanwhile the second evidence that supports Big Bang theory is the radio waves that were heard by the two scientists in 1969 in New Jersey. The sound that the two scientists

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    Hr Assesement

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    occur? Space and time were created in the Big Bang. At the beginning of the universe‚ the space was completely filled with matter. The matter was originally very hot and very dense and then expanded and cooled to eventually produce the stars and galaxies we see in the universe today. 6. What evidence supports the Big Bang Theory? The Big Bang is the leading theory that almost all astrophysicists believe explains the origin of the universe. This is because all observations so far made support

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    positioned a staggering 353 miles above earth’s surface. Although The Hubble has returned over one hundred thousand photos‚ the telescopes significance actually lies in what we can learn from the captured images (Hubble 3). Astronomers have viewed new galaxies in formation‚ exploding stars called supernovas‚ and have even estimated the

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    Our place in the Universe

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    universe? To start off‚ I define the universe as all matter and energy that exists. Our cosmic address in the universe begins at our galaxy in the local group‚ which is an island of stars in space held together by gravity and all orbiting a common center. Besides our galaxy there are about 40 other galaxies in our own local group. Our galaxy‚ The Milky Way galaxy then goes on to our solar system. Within the solar system there are 100 billion stars‚ the biggest being the sun. The star is a large

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