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    4. what is comet?
    what is comet?

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    0  Views: 1152 Answers: 3 Posted: 11 years ago
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      A comet is an icy small Solar System body that, when passing close to the Sun, heats up and begins to outgas, displaying a visible atmosphere or coma, and sometimes also a tail.


      Read more >>> http://en.wikipedia.org/wiki/Comet

      11 years ago. Rating: 4
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        Comet-are chunks of ice,dust and rock that form long tails as they move nearer to the sun.One of the most well-known is Halley's Comet.It can be seen about 76 years and will appear again in the year 2061.

        11 years ago. Rating: 0
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          Sapphire has to link be diamond cut, and then link these tools have to be changed after cutting 20 to 25 crystals, says Wesley Kwok, founder of Nodus Watches. Compare link this to acrylic crystals, which can be quickly cut out of a plastic sheet like a Christmas cookie.

          2 months ago. Rating: 0
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