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planetarium

n.
1.a building housing an instrument for projecting the positions of the planets onto a domed ceiling
2.an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
3.an apparatus or model for representing the solar systems

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Word of the Day

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    Idiom of the Day

    lend (someone) a hand
    to give someone some help
    I asked my friend to lend me a hand to move the furniture.



    1.
    He was ________ to the growing resentment among the staff.

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