and it is quite successful in reproducing the main features of the Milky Way (CMG97) as well as of external galaxies especially concerning abundance gradients” (Chiappini et al‚ 2001). That how was the Milky Way was
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Introduction Ask people to introduce themselves‚ and they will likely give their first and last names. Ask for more information‚ and they may refer back to their parents or grandparents. Additional inquiry may prod them to talk about a few of their ancestors. How many times can someone expect to hear people refer to their connection to early man or to the universe – the cosmic connections that enable people to co-exist with other humans and things – living and non-living? Is this apparent
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| 1.Intro The word “Universe” and its meaning alone ‚ represents an unimaginably enormous space ‚ which includes everything that’s surrounding us: the galaxies ; the uncountable shining stars ; the panoramic‚ yet toxic clouds filled with elements we use or live with every day ; the sneaky black holes which crawl around the corner and drag everything within itself ‚ including light; the supernova ‚ the planets
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Dark Matter Astronomy Samuel Research Topic Topic: Dark Matter‚ Astronomy Saul Perl mutter‚ 2011 states “The Universe in made mostly of dark matter and dark energy‚ and we don’t know what either of them is.” The above statement by Saul Perl mutter suggests that astronomers at this age have found this unknown substance by the name of Dark Matter. We chose this topic on Dark Matter as it intrigues us what is beyond our atmosphere and what is it made off. We want to know how Scientists realized
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-Our sun is one of a hundred billion stars in our galaxy. Our galaxy is one of bilions of galaxies populating the universe. It would be the height of presumption to think that we are the only living thing in that enormous immensity. Werner von Braun quoted these amazing words in the San Diego Union-Tribune in 2005. Foreign; owing allegiance to another country; Strange or Unfamiliar; inconsistant or contrary. A person who is not a citizen of the county in which they subside. That is the definition
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Q1. Outline the historical development of the models of the universe from the time of Aristotle to the time of Newton. Aristotle: Geocentric model of the universe involved a series of 56 concentric spheres to which celestial objects were attached. The Earth was not in motion as the stars showed no measureable parallax. Each planet‚ the Sun‚ and the Moon were in their own sphere and the stars were positioned on a larger sphere surrounding all the others. Ptolemy: Geocentric model of the universe
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but at a much slower rate. In the twentieth century many scientific developments were made by scientists that contributed to the creation of the Big Bang Theory. In 1910 Vesto Slipher was the first person to observe shifts in spectral lines in galaxies. What he had discovered was the galactic redshifts. A galactic redshift is a displacement of spectral lines toward longer wavelengths. What Slipher specifically observed was that the spectral lines of many nebulas exhibited a red shift that indicated
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Use a marker to make small‚ filled-in circles on the balloon. The circles represent galaxies. 2. Pick four of the circles around the balloon and label these A‚ B‚ C‚ and D. 3. Hypothesize what will happen to the distances between the labeled circles when you blow up the balloon ¼ full‚ ½ full‚ and ¾ full. 4. Measure the starting distances‚ in inches or centimeters‚ between each of the labeled galaxies. Record the measurements in a data chart. 5. Blow up the balloon about ¼ of the
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Andromeda galaxy was in fact a separate galaxy from the Milky Way. By comparing various photographs taken over several nights and measuring the Cepheids and their luminosities‚ Hubble’s discovery changed the way we view the universe today. However‚ this was not the only discovery Hubble made that aided in the development of modern cosmology. In 1929‚ Hubble’s research of Andromeda and other galaxies led to a dramatic discover concerning the size of the universe. Based on the distance of a galaxy‚ Hubble
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The main theme of "The Star" by Arthur C. Clarke deals with faith. Clarke defines faith as having belief and trust in God with strong conviction. Clarke believes that one must have faith not only during blissful times‚ such as during the time of creation‚ but also during time of anguish‚ such as when destruction occurs. God "created" when a star flew over Bethlehem‚ just as God destroyed a star‚ the Phoenix Nebula‚ and its surrounding planets including any life that may have lived there. God does
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