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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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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Planet Venus and Earth are often called twins because they are similar in size‚ mass‚ density‚ composition and gravity. However‚ the similarities end there. [Photos of Venus‚ the Mysterious Planet Next Door] Venus is the hottest world in the solar system. Although Venus is not the planet closest to the sun‚ its dense atmosphere traps heat in a runaway version of the greenhouse effect that warms up the Earth. As a result‚ temperatures on Venus reach 870 degrees F (465 degrees C)‚ more than hot
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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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Planets of our Solar System The Earth: The earth is the fifth largest planet of the solar system. The life is possible on the earth because its gravity is sufficient to hold atmosphere and best conditions for sustaining life. It contains a large amount of water in the form of oceans. 71% parts of the total area is covered with water and the remaining 29% is covered with land. The temperature of the centre of the earth is 2000° C. The circumference of the earth is 40‚000 km. The earth completes
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Explorer Vocabulary: astronomical unit‚ dwarf planet‚ eccentricity‚ ellipse‚ gas giant‚ Kepler’s laws‚ orbit‚ orbital radius‚ period‚ planet‚ solar system‚ terrestrial planet Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. List all of the planets you can think of in our solar system. Try to list them in order from closest to farthest from the Sun. _________________________________________________________________________ 2. Which planets are most like Earth? Which are most different
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the bottom of the convection zone and gradually cool as they approach the top. Cooler gases sink‚ forming loops of gas that move energy toward the sun’s surface. The sun’s atmosphere includes the photosphere‚ the chromosphere‚ and the corona. The inner layer of the sun’s atmosphere is called the photosphere. The Greek word photo means “light‚” so photosphere means the sphere that gives off visible light. It is considered to be the sun’s surface layer. This glow comes from the middle layer of
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Jovian Planets Ranging between 4.95 and 30.4 AU away from the Sun are the Jovian planets. Jovian means of or relating to either the planet or the mythological god‚ Jupiter. The Jovian planets‚ also referred to as gas giants‚ are Jupiter‚ Saturn‚ Uranus‚ and Neptune. These planets all fit the category of being a Jovian planet due to the mutual inclusiveness of a thick atmosphere composed of hydrogen and helium. These planets are not solid‚ they only become denser further towards the core
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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 to send spacecraft
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Charles Urella Professor Graudreau SCI 103 Homework Assignment #1 7/10/2013 The Planet Neptune Neptune‚ the eighth and last planet in the solar system‚ it is so-called after the Roman god of the sea. This magnificent blue gargantuan is quite similar to Uranus in scope and composition‚ but much further than the Sun‚ it takes Neptune about 164 years to orbit the Sun. Like other gaseous planets Neptune turns at a tremendous speed on its axis‚ making one day about 16 hours long
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