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radio astronomy

n.
1.the branch of astronomy that detects and studies the radio waves emitted by celestial bodies

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Word of the Day

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  • radio antenna
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  • radio announcer
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  • radio aerial
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  • radio
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  • radiigera fuscogleba
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  • radiigera
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  • radiculitis
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  • radicle
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  • radicchio
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  • radically
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  • radio beacon
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  • radio beam
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  • radio brightness
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  • radio broadcast
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  • radio chassis
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  • radio compass
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  • radio detection and ranging
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  • radio emission
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  • radio frequency
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  • radio interferometer
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  • gum elastic
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  • marsh pink
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  • conversation
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  • popcorn ball
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  • threskiornis
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  • submerged
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  • flunky
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  • predestinarianism
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  • vegetable sponge
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  • forewarn
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    Idiom of the Day

    uptight
    to be worried or irritated or anxious
    My sister is very uptight because of her exams.



    1.
    Choose an idiom to replace the expression in the brackets:
    The woman began to tell me the story (suddenly and without warning).

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