The sun is a star. It is the star round which the earth and other planets revolve. In a way‚ we can say that sun is the head of solar family or solar system. Compared with the millions of other stars‚ the sun is a medium sized star and of average brightness. The sun appears to be larger and brighter because it is much more nearer to the earth than any other star. Thus‚ the star nearest to the earth is the sun. Though sun is the nearest star to the earth‚ even then it is at a distance of 150 x 106
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The Sun (Star of the Family) Planet word comes from Greek ‚which means „wandering star“. Sun is the heaviest among Solar System. If we take total mass of whole Solar System‚ the Sun would be 99.86% of the total. Sun is a ball of hot‚burning gases. Sun is the nearest star to the Earth. Sun is the source of all energy for life on Earth. On the Sun’s surface‚ there are dark patches known as sunspots. These are patches of gas that looks dark since they are cooler than their surroundings. The light
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SOLAR SYSTEM PLANETS MERCURY • The closest planet to the sun‚ Mercury is only a bit larger than Earth’s moon. Its day side is scorched by the sun and can reach 840 degrees Fahrenheit (450 Celsius)‚ but on the night side‚ temperatures drop to hundreds of degrees below freezing. VENUS • The second planet from the sun‚ Venus is terribly hot‚ even hotter than Mercury. The atmosphere is toxic. The pressure at the surface would crush and kill you. Scientists describe Venus’ situation as a runaway greenhouse
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Mercury is the smallest terrestrial planet in the solar system‚ about a third of the size of Earth It has a thin atmosphere‚ which causes it to swing between burning and freezing temperatures Mercury is also a dense planet‚ composed mostly of iron and nickel with an iron core Its magnetic field is only about 1 percent that of Earth’s The surface of Mercury is similar to that of the Moon; it has many deep craters and is covered by a thin layer of tiny particle silicates The surface temperature
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Uranus hangs on the wall of space as a mysterious blue green planet. With a mass of 8.683e25 kg and a diameter of 51‚118 km at the equator‚ Uranus is the third largest planet in our solar system. It has been described as a planet that was slugged a few billion years ago by a large onrushing object‚ knocked down (never to get up)‚ and now proceeds to roll around an 84-year orbit on its belly. As the strangest of the Jovian planets‚ the description is accurate. Uranus has a 17 hour and 14 minute
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discuss/apply/evaluate the sun‚ planets and other bodies in our solar system”. My assessment of mastery was done in several forms: class discussion in the form of a jeopardy game‚ student creation of a “postcard” from their favorite planet where they had to write home to a loved one on Earth telling about the characteristics of the selected planet and the creation of a candy model of the solar system. The purpose of the model was to demonstrate understanding of the position of each planet in relation to the
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Body Paragraph 1: Basic Facts Eigth and last planet in the solar system Mean density (kg/m3):(Neptune)1‚638 (Earth) 5‚514 (Neptune/Earth Ratio) 0.297 Neptune‚ like Uranus‚ is one of the two outer planets known as an "ice giant." Made up of more ices than Jupiter and Saturn‚ the chilly body almost seems to be in a class by itself. Body Paragraph 2: Atmosphere Neptune’s atmosphere is made up predominately of hydrogen and helium‚ with some methane. The methane is part of what gives Neptune
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low tides each day‚ called a semidiurnal tide. Marias a dark region of considerable extent on the surface of the moon Cratera large‚ bowlshaped cavity in the ground or on the surface of a planet or the moon‚ typically one caused by an explosion or the impact of a meteorite or other celestial body. RetrogradeA planets backward motion in the sky Rille Valley Like structure that meanders across some regions of the moons maria GalileanAdjective of a relating to galilee Tesserae a small block of stone
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aliens must exist because of the discovery of earthlike planets‚ proof of alien existence in ancient history‚ and the millions of sightings that many people have reported. The first‚ and perhaps the most intriguing‚ piece of evidence is the discoveries of earthlike planets in recent years. In the last couple years there have been many reports that planets from other galaxies have many of the same properties as planet Earth does. These planets may have supported life or are maybe even still supporting
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simple sun-planet system.In the simple sun-planet system‚ I see that the sun is also moving around. Specifically‚ what happens to the central object (the Sun)?The sun is moving. It is moving because it is being pulled by the gravitational force that is between the sun and the planet. Can you explain why the central object moves? The central object moves because the sun is off to one side and the orbit is elliptical. HINT: Is gravitational attraction only the sun pulling on the planet? Does the
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