Questões comentadas . Concursos Diversos de Preposições | Prepositions | 244213

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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.