What is the distance to the farthest known quasar from earth?
12.9 billion light years
ULAS J1120+0641, the farthest quasar discovered to date, was discovered by European astronomers in 2011. The quasar was detected using ESO's Very Large Telescope and was located 12.9 billion light years from Earth.
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At a distance of roughly 13.1 billion light-years, ULAS J1342+0928 is the furthest known quasar from Earth.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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