alaa ellafi (2)

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Page 1: Alaa ellafi (2)

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1 - SunThe Sun or Sol, is the star at the centre of our solar system and is responsible for the Earth’s climate and weather. The Sun is an almost perfect sphere with a difference of just 10km in diameter between the poles and the equator.

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2 - MoonSaturn is the sixth planet from the Sun and the most distant that can be seen with the naked eye. It is best known for its fabulous ring system that was discovered in 1610 by the astronomer Galileo Galilei

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3 - EarthEarth is the third planet from the Sun and is the largest of the terrestrial planets. The Earth is the only planet in our solar system not to be named after a Greek or Roman deity. The Earth was formed approximately 4.54 billion years ago and is the only known planet to support life.

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4 - MarsMars is the fourth planet from the Sun. Named after the Roman god of war, and often described as the “Red Planet” due to its reddish appearance. Mars is a terrestrial planets with a thin atmosphere composed primarily of carbon dioxide.

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5 - venusVenus is the second planet from the Sun and is the second brightest object in the night sky after the Moon. Named after the Roman goddess of love and beauty, Venus is the second largest terrestrial planet and is sometimes referred to as the Earth’s sister planet due the their similar size and mass.

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6- uranusUranus is the seventh planet from the Sun. It’s not visible to the naked eye, and became the first planet discovered with the use of a telescope. Uranus is tipped over on its side with an axial tilt of 98 degrees. It is often described as “rolling around the Sun on its side.”

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7- NeptuneNeptune is the eighth planet from the Sun and is the most distant planet from the Sun. This gas giant planet may have formed much closer to the Sun in early solar system history before migrating to its present position.

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8 - PlutoDiscovered in 1930, Pluto is the second closest dwarf planet to the Sun and was at one point classified as the ninth planet. Pluto is also the second most massive dwarf planet with Eris being the most massive.

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9- JupiterThe planet Jupiter is the fifth planet out from the Sun, and is two and a half times more massive than all the other planets in the solar system combined. It is made primarily of gases and is therefore known as a “gas giant”.

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MASS: 1,898,130,000,000,000,000 BILLION KG (317.83 X EARTH)EQUATORIAL DIAMETER: 142,984 KMPOLAR DIAMETER: 133,709 KMEQUATORIAL CIRCUMFERENCE: 439,264 KMKNOWN MOONS: 67NOTABLE MOONS: IO, EUROPA, GANYMEDE, & CALLISTOKNOWN RINGS: 4ORBIT DISTANCE: 778,340,821 KM (5.20 AU)ORBIT PERIOD: 4,332.82 EARTH DAYS (11.86 EARTH YEARS)SURFACE TEMPERATURE: -108°CFIRST RECORD: 7TH OR 8TH CENTURY BCRECORDED BY: BABYLONIAN ASTRONOMERS 20

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10 - SaturnSaturn is the sixth planet from the Sun and the most distant that can be seen with the naked eye. It is best known for its fabulous ring system that was discovered in 1610 by the astronomer Galileo Galilei.

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11- Mercury Mercury is the closest planet to the Sun and due to its proximity it is not easily seen except during twilight. For every two orbits of the Sun, Mercury completes three rotations about its axis and up until 1965 it was thought that the same side of Mercury constantly faced the Sun.

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SummaryPage1 : name and surnamePage 2 : the name of the project workPage 3 – 4 : the planet sun Page 5 – 6 : the planet moon Page 7 - 8 :the planet earth Page 9 – 10 :the planet mars Page 11– 12 : the planet venusPage 13 - 14 :the planet uranusPage 15 – 16: the planet neptunePage 17– 18 : the planet pluto Page 19 – 20 : the planet jupiterPage 21 – 22 : the planet saturnPage 23 – 24 : the planet mercuryPage 25 : the summaryPage 26 : the web site used in this project Page 27 : thankyou

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thankyou for your attention

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