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Choose the alternative that fills in correctly and respectively the blanks in the sentences below with the missing preposition.The Boomerang Nebula, a strange and extremely frigid object 5,000 light years away, gradually gives up its secrets Space is cold. Very cold. ______ 1 fact, empty space, far ______ 2 any star or other hot object, is about -270 degrees C. While downright frigid – a temperature low enough to freeze hydrogen ______ 3 Earth – that's still about 2.7 degrees ______ 4 absolute zero, the lowest possible temperature. The source _______ 5 those couple ________ 6 degrees is primordial: the leftover glow _______ 7 the big bang that gave birth _______ 8 our universe. The entire cosmos is bathed ________ 9 this radiation, called the cosmic microwave background. As a result, it's hard to avoid this bit of heat, meaning that _______ 10 most of the cosmos, -270 degrees is as cold as it gets.
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