the seasons? 9. Why can we only give the distance from the Earth to the Sun as an average number (include “perihelion” and “aphelion” in your response)? 10. a. Complete the following table comparing each of the eight planets‚ and Pluto‚ with respect to the criteria shown. Use NASA’s planetary factsheet at http://nssdc.gsfc.nasa.gov/planetary/factsheet/ . Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
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PLANETOLOGY Planetology is the branch of astronomy that deals with the physical features of the planets. Planetology studies include the origin and composition of the planets‚ and the solid bodies of comets and meteors found in the solar system. Comet‚ Asteroid‚ and Meteor An asteroid and a comet are very similar‚ and yet at times they are unique and easily distinguishable from each other. An asteroid and a comet are both a small solar body system‚ rotating around the sun. An asteroid consists
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is in the Sun. Of the many objects that orbit the Sun‚ most of the mass is contained within eight relatively solitary planets whose orbits are almost circular and lie within a nearly flat disc called the ecliptic plane. The four smaller inner planets‚ Mercury‚ Venus‚ Earth and Mars‚ also called the terrestrial planets‚ are primarily composed of rock and metal. The four outer planets‚ the gas giants‚ are substantially more massive than the terrestrials. The two
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Dear Candidate‚ Write your name‚ roll number‚ and centre in capital letters in the boxes above. You will be given a test booklet and plain sheets in the examination hall. The test booklet has Part-A General Paper and Part-B Subject Specilsation. Answer any one subject in Part-B Use blue or black ball pen. Pencil may be used for graphs and diagrams only. Answer all questions. Multiple choice questions have four alternatives A or B or C or D. Put a (√) mark to the appropriate answer in the
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first‚ KBO’s is Pluto. Pluto is a dwarf planet that was discovered in 1930. Pluto isn’t very large as it is only about half as wide as the United States. Ordinarily‚ the days on Pluto take about 6.5 days on Earth and‚ it takes about 248 years to fully orbit the Sun. Another KBO found to be 10% larger than Pluto was named Eris. Considering it is farther away from the Sun than Pluto is‚ Eris’ full orbit is equivalent to 560 years. Moreover‚ the discovery of Eris prompted scientists to question whether
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01.09 Pre-writing Process Narrative Planner—"The Pomegranate Seeds" Who? Describe the character whose story you plan to tell. King Pluto seems like wealthy man‚ a man that doesn’t seem to be happy because he doesn’t have the things that he wants. Character Name: King Pluto How would you describe this character? Why? Physical Appearance I would describe King Pluto as a tall white guy with black hair and wearing a Greek mythology robe Feelings King Pluto is a wealthy man that is looking
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Solar System Our solar neighborhood is an exciting place. The Solar System is full of planets‚ moons‚ asteroids‚ comets‚ minor planets‚ and many other exciting objects. Learn about Io‚ the explosive moon that orbits the planet Jupiter‚ or explore the gigantic canyons and deserts on Mars. How Did The Solar System form? This is an important question‚ and one that is difficult for scientists to understand. After all‚ the creation of our Solar System took place billions of years before there
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other planets and other great wonders that happen so many kilometers away is now more than ever mesmerizing than when I was a little girl. Now‚ it is not only about the Sun‚ Moon‚ and Stars‚ but also about other great wonders across space such as comets‚ geysers‚ planets‚ and many moons. It is fascinating how the universe has many large and small planets with so many differences in structure but yet has so many similarities as to have been being built. From a documentary series‚ The Planets‚ the
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Avatar Essay In the movie Avatar‚ the planet Pandora is similar to earth in many ways‚ yet it has many differences as well. The way Pandora looks highly resembles that way scientists theorize the way earth looked millions of years ago. This could be because the planet Pandora is in an early stage of development‚ or it could simply be because the Na’vi respect their environment and maintain the balance of life. They don’t pollute their environment and they let nature run its course freely. There
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8. In both Hipparchian and Ptolemaic systems‚ the planets are assumed to move in a small circle called an epicycle‚ which in turn moves along a larger circle called a deferent. Both circles rotate clockwise and are roughly parallel to the plane of the Sun’s orbit (ecliptic). Despite the fact that the system is considered geocentric‚ the planets’ motion was not centered on the Earth but on what is called the eccentric. The orbits of planets in this system are epitrochoids. The epicycle rotated and
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