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By Julie Bingaman 5th Grade
Our Solar System By Julie Bingaman 5th Grade All images from Google Images:
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DID YOU KNOW? Our Solar System is made up of eight planets, their moons, and our sun. The planets and their moons revolve around, or orbit the sun. The orbits are not round. They are elliptical ( E-lip-tih-cul). Elliptical means egg-shaped. The first four planets are called the inner planets. They are closest to the sun. Their names are Mercury, Venus, Earth and Mars. These planets are made mostly of rock. The next four planets are called the outer planets. Saturn, Jupiter, Uranus and Neptune are called gas giants because they are made mostly of gases. Information taken from this website:
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The Source The Sun is the most prominent feature in our solar system. It is the largest object and contains approximately 98% of the total solar system mass The Sun is the star at the center of the Solar System The Sun's color is white, although from the surface of the Earth it may appear yellow because of atmospheric scattering of blue light designated a yellow star, because its visible radiation is most intense in the yellow-green portion of the spectrum Information from:
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Inner Planets The inner planets are Mercury, Venus, Earth, and Mars.
Close to the Sun and separated from the much larger Outer Planets by an asteroid belt. Sometimes called terrestrial planets and are composed of rock. Due to their hard surfaces, these planets have canyons, craters, mountains, and volcanoes. Few or no moons. Developed from small grains of dust that collided and formed together. Information from:
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Mercury Closest planet to the sun
2nd smallest planet in the solar system The surface is similar to that of Earth’s moon Virtually has no atmosphere Mercury rotates 1 ½ times during each orbit 1 day on Mercury=176 Earth days Small magnetic field, which means there are no satellites Most information taken from: Image from google images
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Venus 2nd Planet from the sun
Brightest object in the sky except for the sun and moon 1 Venus day= 243 Earth days Regarded as Earth’s sister planet Some ways similar to Earth, only slightly smaller Atmosphere is made up most of Carbon Dioxide No magnetic field, which means it has no satellites (moons) Information from: Image from Google Images:
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Earth 3rd planet from the sun 5th largest planet in the solar system
71 Percent of the Earth's surface is covered with water. Only planet on which water can exist in liquid form on the surface The Earth's magnetic field and its interaction with the solar wind also produce the Van Allen radiation belts Has one natural satellite called the moon Information from: Image from Google Images:
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Mars 4th planet from the sun 7th largest in the solar system
Referred to as the Red planet Most favorable place in the Solar System (other than Earth) Mars' orbit is significantly elliptical Though Mars is much smaller than Earth, its surface area is about the same as the land surface area of Earth Weak magnetic fields exist in various regions of Mars When it is in the nighttime sky, Mars is easily visible with the unaided eye Mars has two tiny satellites called Phobos and Deimos Information from: Images from:
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Outer Planets The outer planets are Jupiter, Saturn, Uranus, and Neptune. Located outside of the asteroid belt. These planets are much larger than the inner planets and are called gas giants as they are composed primarily of hydrogen and helium. No solid surface. The hydrogen and helium are in gas form in the atmosphere and below that in a liquid state. Each has many moons and rings. Information from:
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Jupiter Jupiter is the fifth planet from the Sun and by far the largest. Jupiter is more than twice as massive as all the other planets combined (the mass of Jupiter is 318 times that of Earth). Jupiter is the fourth brightest object in the sky (after the Sun, the Moon and Venus). Jupiter has 63 known satellites (as of Feb 2004): the four large Galilean moons plus many more small ones Jupiter has rings like Saturn's, but much fainter and smaller Information from: Image from Google Images:
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Saturn Saturn is the sixth planet from the Sun and the second largest
Saturn has 53 named satellites Saturn is the least dense of the planets; its specific gravity (0.7) is less than that of water. Saturn's rings are extraordinarily thin, there are two prominent rings (A and B) and one faint ring (C) can be seen from the Earth In the nighttime sky, Saturn is easily visible to the unaided eye Like the other Jovian planets, Saturn has a significant magnetic field. Information from: Images from Google Images:
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Uranus Uranus is the 7th planet from the sun and the third largest
Most of the planets spin on an axis nearly perpendicular to the plane of the ecliptic but Uranus' axis is almost parallel to the ecliptic Primarily composed of rock and various ices Uranus' blue color is the result of absorption of red light by methane in the upper atmosphere Uranus has 11 known rings Uranus has 27 named moons Information from: Images from Google Images:
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Neptune Neptune is the eighth planet from the Sun and the fourth largest Neptune's blue color is largely the result of absorption of red light by methane in the atmosphere but there is some additional as-yet-unidentified chromophore which gives the clouds their rich blue tint. Little is still know of Neptune because there has only been one visit of a spacecraft there Neptune's winds are the fastest in the solar system, reaching 2000 km/hour. Neptune's rings are very dark but their composition is unknown. Neptune has 13 known moons; 7 small named ones Information from: Images from Google Images:
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Guess What? Pluto was once a part of our solar system
In 2006 scientist found 2 other “planets” in our solar system that were thought to be the moons of Neptune. Since they were bigger than Pluto, scientists decided to take Pluto out of the solar system It is now called a Dwarf planet
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Pluto Pluto orbits beyond the orbit of Neptune (usually).
It is smaller than many moons, therefore it is now called a Dwarf Planet A spacecraft has never visited Pluto Pluto rotates in the opposite direction from most of the other planets. Charon ( "KAIR en" ) is Pluto's largest satellite: Information from: Images from Google Images:
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Here’s the thing about moons
Did you know? It is a combination of the amount of gravitational pull and the size of the planet as to why some planets have more moons than others! Remember a moon is a satellite, it orbits around its’ host planet. Which planets have moons? Earth (1) Mars (2) Jupiter (63) Saturn(53) Uranus (27) Neptune (13) Pluto (1)
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Quiz Now test your knowledge! Take out a sheet of paper. Please answer these 3 questions in complete sentences. List all of the planets in order. Why was Pluto taken out of the Solar System? Explain why some planets have more moons than other planets. Pictures are used from clip art
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Here’s a SOLAR-TASTIC movie and game
Movie Game Movie from National Geographic Kids
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Websites for kids Planet Facts: Puzzle Games: Journey of the Solar System: Moon:
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