Choose the alternative that fills in correctly and respectively the...

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.