stars go through. One scenario is that the star will continue to make energy by using hydrogen and helium outside of the core; its surface will rise and fall and the star will become a variable star. After it gets out of control‚ the layers of gas will pull away‚ forming a shell of gas known as a planetary nebula. The other scenario is that the star will continue to shine through the fusion of helium nuclei‚ in the triple alpha process. The star is now a white dwarf‚ and further contraction is prevented
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Love in all its forms‚ from blessed matrimony to crippling betrayal‚ has been the poet’s canvas‚ marred by violent‚ disconnected‚ bold strokes‚ with a lot of detail but no form. How can one define something that is so unique for the individual beholder‚ and yet common themes run deep and have become metaphors more easily attributed and immediately understood than the word ‘love’ itself. The first point of note is the familiarity of the language used by John Clare in the nineteenth century
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intended to be easily broken and extensively used on Holi—the festival of colors. Fahim Maniar of Raj Trading in Mumbai says he manufactures balloons of 4‚ 6‚ 8 and 12 ft diameter. Bigger balloons can be made on order. These balloons are filled with helium or hydrogen gas to make them go high up in the sky. He says advertisement through balloons is becoming popular and also comes cheap. He says that an advertisement balloon put up in the marketplace of a big city like Delhi or Mumbai would ensure that
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The Hindenburg disaster occurred on May 6‚ 1937. A German passenger airship LZ 129 Hindenburg caught fire and was engulfed while its attempt to dock at the Naval Air Station Lakehurst in Manchester Township‚ New Jersey‚ United States. The fire was ignited by an electrostatic discharge which sparked leaking hydrogen from the zeppelin. In order to make up for extra than 12 hours in its transatlantic flight‚ the Hindenburg passed via a weather front of excessive humidity and high electric charge. Even
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Jupiter is believed to possibly be able to support life‚ which would have to float and not need oxygen. To be exact Jupiter’s atmosphere contains 99% hydrogen and helium‚ the other 1% consists of methane‚ ammonia‚ water vapor‚ and trace elements. Under this layer of clouds which would also be the atmosphere‚ lie a sea of liquid hydrogen and helium that is 13‚000 miles deep‚ and finally the core of Jupiter where the temperature is so high it is said to be hotter than the suns surface. From this came a small
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* Compare the views of Hubble and Friedman about the expansion of the universe: Edwin Hubble’s observation In 1929‚ Edwin Hubble announced that his observations of galaxies outside our own Milky Way showed that they were systematically moving away from us with a speed that was proportional to their distance from us. The more distant the galaxy‚ the faster it was receding from us. The universe was expanding after all‚ just as General Relativity originally predicted! Hubble observed that the light
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less massive stars? Higher temperature‚ higher pressure‚ higher fusion rate means they consume their “fuel” faster. 10. What will gravity do to the sun when fusion is over? Gravity will begin to crush the star. Then the core will heat enough to fuse helium together into carbon. The outer atmosphere will evaporate‚ ejecting gases‚ causing a planetary nebula. 11. What is a white dwarf? The remnant of a main sequence star. When the star runs out of “fuel” it contracts until electrons produce enough pressure
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in nebulae. Huge clouds of dust and gas collapse under gravitational forces‚ forming protostars. These young stars undergo further collapse‚ forming main sequence stars. Stars expand as they grow old. As the core runs out of hydrogen and then helium‚ the core contacts and the outer layers expand‚ cool‚ and become less bright. This is a red giant or a red super giant (depending on the initial mass of the star). It will eventually collapse and explode. Its fate is determined by the original mass
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8/19/13 Helium - Where Knowledge Rules Why do marriages fail by Ann E. Smith Marriage is not easy‚ by all accounts. The reality is that even happy marriages require work. As marriage is all about compromise‚ trust and respect‚ it is easy to see why it can be challenging. Marriage can also be fulfilling. There is nothing quite like a true partner in life. But with that being the case‚ why is the divorce rate so high all over the world? Why do marriages fail? Below are some of the main reasons
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The Cosmic Perspective‚ 7e (Bennett et al.) Chapter 19 Our Galaxy 19.1 Multiple-Choice Questions 1) What is the diameter of the disk of the Milky Way? A) 100 light-years B) 1‚000 light-years C) 10‚000 light-years D) 100‚000 light-years E) 1‚000‚000 light-years Answer: D 2) What is the thickness of the disk of the Milky Way? A) 100 light-years B) 1‚000 light-years C) 10‚000 light-years D) 100‚000 light-years E) 1‚000‚000 light-years Answer: B 3) What kinds of objects lie in the
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