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        | Which of Jupiters moons is closest to the planet, has the most volcanic objects in the Solar System, and holds a thin sulfur dioxide atmosphere? |  | 
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        | this former planet (some still believe it is a planet) was discovered in 1930 and is the smallest in our Solar System |  | 
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        | Planets closer to the sun move____ than the planets farther away. |  | 
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        | the sixth planet from the Sun |  | 
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        | Causes temperatures to be hotter on Venus, even though it is farther from the Sun then Mercury. |  | 
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        | The Four Largest Moons of Jupiter. |  | 
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        | The Early Greeks believed the _______ was the center of the Universe. |  | 
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        | One rotation of Jupiter takes how many hours? (Fastest of all the planets) |  | 
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        | Another name for the Inner Planets |  | 
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        | Mercury, Venus, Earth, and Mars are called the ________ planets |  | 
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        | The tail of a comet always points ________ from the sun. |  | 
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        | Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Pluto |  | Definition 
 
        | List the 9 planets in the correct order from the Sun. |  | 
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        | What separates Mars and Jupiter, is believed to be a planet the could not form because of the gravitational pull of Jupiter and the Sun. |  | 
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        | These planets are made up of mainly lighter elements. |  | 
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        | This moon of Jupiter is composed of solid rock covered with ice; has Tectonic activity and a thin oxygen atmosphere |  | 
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 | Definition 
 
        | About how many moos exist with Jupiter? |  | 
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        | Term 
 
        | Ganymede, a moon of Jupiter |  | Definition 
 
        | Largest moon in the Solar System. |  | 
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        | chunks of rock; Randomly moving through space; Usually leftover comet or asteroid debris; stay in space |  | 
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        | Meteoroid that enters Earth’s atmosphere Heat up & begin to glow = shooting star
 Most burn up before reaching the surface
 |  | 
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        | Meteor that hits the surface of the Earth. |  | 
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        | This planet's rotational axis lays on its side.  (spins like a tire) |  | 
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        | The ________ on Jupiter is a continuous atmospheric storm. |  | 
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        | Name the planet that Triton orbits. |  | 
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        | Who proposed the Planets resolve around the Sun? |  | 
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        | Farthest= 5 years Closest= 1.5  ***This is not round trip!!!*** |  | Definition 
 
        | If we were to travel from Earth to Mars how long would it take to get to  Mars was at its furthest point away from Earth? |  | 
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        | The largest know asteroid is ______, measuring 940km |  | 
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        | _________ discovered the orbits of the planets were elliptical. |  | 
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        | is a vast disk of icy comets outside of Neptune's orbit. |  | 
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        | Which planet would float in water because of its low density. |  | 
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        | What is the name of the Copernicus Model of our Solar System? |  | 
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        | Closest planet to the Sun |  | 
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        | Closest planet to the Sun |  | 
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        | Earth's Twin, 2nd planet from the Sun |  | 
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        | Only planet that supports life; water in three states (liquid, solid, and gas) |  | 
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        | Largest planet in the Solar System |  | 
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        | Outer planet, last gas planet, sometimes changes orbital position with Pluto. |  | 
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        | large collection of comets beyond Pluto |  | 
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