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| Most comets come back a few times and then do not return again |
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| some ___________________ break up and are never seen again |
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| Halley's comet has appeared every |
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| The first recorded sighting of a comet was in what country? |
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| What are the 3 parts of a comet? |
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| the very bright part of the comet's head is called the |
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| the nucleus is probably composed of ______________ material |
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| the comet's nucleus is probably compose of what solids? |
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| a comet always moves _____________________ through space |
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| a comet does not always have a ____________ |
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| the comet's tail is formed because |
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| the sun warms the coma & gases are pushed away from the sun and flow outward from the nucleus to form the tail |
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| the tail of a comet always points _______ from the sun |
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| the sun seems big and bright because it is ______________ to earth |
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| sunspots seem to come and go because they rotate like a |
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| sunspots are _____________ then the rest of the sun & do not shine as brightly |
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| in 1964 a rocket traveled to the |
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| the first men walked on the moon in what year? |
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| the moon appeares to be how old? |
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| 6,000 to 10,000 years old |
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| God created the sun and the moon on what day? |
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| God created Earth on what day/ |
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| how many planets in our solar system? |
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| the 4 planets closest to the sun move |
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| the earth has no ____________ of its own |
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| the morning star or evening star |
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| the dust around Mars makes its atmosphere look _______ in color |
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