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planetesimal hypothesis

n.
1.(cosmology) the theory that the solar system was formed by the gravitational accumulation of planetesimals

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    Idiom of the Day

    louse up (something) or louse (something) up
    to throw something into confusion, to make a mess of something, to spoil something
    The woman loused up her job interview and has no chance to get the job now.



    1.
    My fiierld is the kind of person (a) / who will face up (b) / to the most demanding tasks. (c) / No error (d)

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    There are no words in the dictionary that rhyme with orange, purple, and silver.      .. More >>
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