GK
THE UNIVERSE
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Distances between objects in space can be enormous. Which of the following distances is the longest?
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2.1 ly
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950, 000 km
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9.5 trillion km
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1 million ly
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Explanation:
Detailed explanation-1: -The most distant known quasar (and supermassive black hole) is ULAS J1342+0928, 29 billion light-years away. The farthest gamma-ray burst, 30 billion light-years distant, is GRB 090423. Finally, the most distant galaxy of all is GN-z11, a phenomenal 32 billion light-years away.
Detailed explanation-2: -The unit of distance we use to describe the distance between galaxies is the megaparsec (Mpc), which is 3.26 million light years, or 19.2 million trillion miles (19.2 x 1018 miles).
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