are 8 planets in our solar system; these are divided into two types‚ large gas giants (Jupiter‚ Saturn‚ Uranus and Neptune) and smaller rocky terrestrial planets (Mercury‚ Venus‚ Earth and Mars). The order from closest to the Sun outwards is; Mercury‚ Venus‚ Earth‚ Mars‚ Jupiter‚ Saturn‚ Uranus and finally Neptune. Until 2006 Pluto was also classed as a planet‚ however it is now classified as a dwarf planet (meeting the first two requirements of the definition but not the third). A planet is currently
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In the outer limits of our solar system there is a planet unlike any other‚ Pluto. Pluto was discovered in February of 1930 by an American astronomer‚ Clyde Tombaugh. It is the only planet to have been discovered by an American. All though we have known of the existence of Pluto for over thirty years now‚ there are still many mysteries surrounding this celestial body. Being the farthest planet has made it difficult to study Pluto‚ Adding to the obscurity of this strange planet is that the capability
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All planets except Mercury and Venus have at least one moon. Saturn has the greatest number of moons—18. In 1995‚ the Hubble Space Telescope detected what appeared to be four additional moons of Saturn; however‚ that discovery has yet to be confirmed. Planet | Number of Moons | Names of Moons | Mercury | 0 | | Venus | 0 | | Earth | 1 | The Moon (sometimes called Luna) | Mars | 2 | Phobos‚ Deimos | | Jupiter | 16* | Metis‚ Adrastea‚ Amalthea‚ Thebe‚ Io‚ Europa‚ Ganymede‚ Callisto
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activities damage our planet‚ or do they make it a better place to live in? Our planet has being threatened by human activities approximately since the Industrial Revolution‚ in the 19th century‚ which has contributed to expand the greenhouse effect. From this time on‚ humanity has massively increased the gases that are sent to the atmosphere due to better life conditions‚ allowing people‚ from all over the world‚ to use certain new objects and energies that damage the suitability of planet Earth. In
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Answers to Pause/Break Section Review Questions Section 2.1 Review Questions 1. What is the difference between a physical marketplace and an e-marketplace (marketspace)? A marketspace is an electronic marketplace. While traditional marketplaces are constrained by their physical locations‚ marketspaces use technology to eliminate this constraint (by being online). 2. List the components of a marketspace. A marketspace consists of the following components: customers‚ sellers‚ goods
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Skill – Reading Comprehension Name: _________________________ Is Pluto a Planet? By: National Geographic Kids (Adapted by Have Fun Teaching) Many people are saying that Pluto is no longer a planet. Are they right? Is Pluto no longer a planet? There’s debate in the scientific world about this issue. National Geographic News says that‚ according to the International Astronomical Union‚ a full-fledged planet is an object that orbits the sun and is large enough to have become round due to the
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Is Our Atmosphere Unique? The planet Jupiter has the biggest atmosphere in our solar system. Jupiter’s atmosphere is composed of 90% hydrogen and 9.9% helium and .1% other gases such as sulfur‚ methane‚ ammonia‚ and water vapor. It is able to hold its atmosphere in because of its massive gravitational pull that is around 2.5 times stronger than earth’s pull. To put that into perspective‚ if you weigh 100 pounds on earth you would weigh 250 pounds on Jupiter. The atmospheric layers are the
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Applying Leopold’s Ethic to our Planet Earth The world is changing. It is a fact that humans have been slow to accept‚ but based on scientific experiments‚ the environment of planet Earth is undergoing massive changes in temperature and climate‚ landscape‚ molecular distribution‚ and species diversity. The planet Earth is very different than it used to be‚ based on the actions of one species among possibly millions that inhabit the earth. Humans have managed to transform everything they touch
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eliminated? You should always be careful to avoid overexposure to the sun at the beach. 2. 1.Check for correct punctuation‚ including capitalization. 2. Make sure you haven’t mistaken commonly confused pairs of words‚ such as there‚ their‚ and they’re. 3. Learn to spell the words you use. Learn the spelling rules and the exceptions to those rules. 4.Watch for grammatical errors. Keep an alert eye out for errors such as fragments‚ run-ons‚ faulty agreements‚ and incorrect comparisons. 3
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1) "The Antarctic is the vast source of frigidity on our planet‚ just as the sun is the source of our heat‚ and it exerts tremendous control on our climate ‚" [Jacques] Jacques Costeau told the television camera . "The cold ocean water around Antarctica period north to mix with heater water from the Torrid Zone ‚ and its upwellings help to aplomb both the open water and our atmosphere. Yet the fragility of this regulating system is now threatened by human activity‚" (Captain Jacques Yves Costeau
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