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Solar System 太陽系 P.6 2 nd Term General Studies Syllabus Produced by ： Thomas CHAI Yan Piau

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Nebula

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Nebulae

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The Solar System consists of ： The Sun The Planets moving around the Sun The Satellites of the Planets Asteroids Comets Meteors & Meteoroids And Others ．．．．．

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Touring the Solar System Sun Mercury Venus Earth Mars Jupiter Quit Saturn Uranus Neptune Pluto Moon Asteroids and Comets etc. Our Place in the Universe 太陽系的行星探索 柯氏太陽系

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The Heart of the Solar System Sun ( 太陽 ) The Sun is the closest star to Earth and is the center of our solar system. A giant, spinning ball of very hot gas, the Sun is fueled by nuclear fusion reactions. The light from the Sun heats our world and makes life possible. The Sun is also an active star that displays sunspots, solar flares, erupting prominences, and coronal mass ejections. These phenomena impact our near-Earth space environment and determine our "space weather."

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The Sun ( 太陽 ) Average Diameter Mass (Earth = 1) Density (water = 1) Moves Around Revolution Radius Revolution Period Rotation Period km The Centre of the Milky Way 3 km years 25.4 days

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Corona Animation

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Solar Eruption

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The Nine Planets ： (1) Mercury ( 水星 ) Average Diameter Mass (Earth = 1) Density (water = 1) Revolution Radius Revolution Period Rotation Period Number of Satellites 4880 km km 88 days 58.7 days 0

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Early Formation of Mercury

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Final Stage in Mercury Formation

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The Nine Planets ： (2) Venus ( 金星 ) Average Diameter Mass (Earth = 1) Density (water = 1) Revolution Radius Revolution Period Rotation Period Number of Satellites km km 225 days 243 days 0

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The Nine Planets ： (3) Earth ( 地球 ) Average Diameter Mass (Earth = 1) Density (water = 1) Revolution Radius Revolution Period Rotation Period Number of Satellites km kg km 365 days (1 year) day 1

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The Earth’s Only Satellite ： Moon ( 月球 ) Average Diameter Mass (Earth = 1) Density (water = 1) Revolution Radius Revolution Period Rotation Period km km 27.3 days

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Apollo 16 landing on The Moon

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Historical Moment --- First Men on The Moon

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The Nine Planets ： (4) Mars ( 火星 ) Average Diameter Mass (Earth = 1) Density (water = 1) Revolution Radius Revolution Period Rotation Period Number of Satellites km km 687 days (1.88 yrs) 1.03 days 2

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The Nine Planets ： (5) Jupiter ( 木星 ) Average Diameter Mass (Earth = 1) Density (water = 1) Revolution Radius Revolution Period Rotation Period Number of Satellites km km 4330 days (11.9 yrs) day 16

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Jupiter & it’s Moon --- Io

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The Nine Planets ： (6) Saturn ( 土星 ) Average Diameter Mass (Earth = 1) Density (water = 1) Revolution Radius Revolution Period Rotation Period Number of Satellites km km days (29.5 yrs) day 18

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The Nine Planets ： (7) Uranus ( 天王星 ) Average Diameter Mass (Earth = 1) Density (water = 1) Revolution Radius Revolution Period Rotation Period Number of Satellites km km days (84 yrs) day 15

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The Nine Planets ： (7) Neptune ( 海王星 ) Average Diameter Mass (Earth = 1) Density (water = 1) Revolution Radius Revolution Period Rotation Period Number of Satellites km km days (165 yrs) day 8

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The Nine Planets ： (9) Pluto ( 冥王星 ) Average Diameter Mass (Earth = 1) Density (water = 1) Revolution Radius Revolution Period Rotation Period Number of Satellites km km days (248 yrs) 6.39 days 1

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Asteroids ( 小行星帶 )

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Comets ( 彗星 )

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A comet attracted by the Sun

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Meteors ( 流星 )

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Meteorites ( 隕石 )

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EndEnd of the Wonderful Tour Hope someday, somehow, we can have the real chance to visit our neighbourhood in the Universe!

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