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What is the size of the observable universe in meters?

Answer 1

10 trillion kilometers times 45 billion light years.

Light travels a distance of 10 trillion kilometers per year times the size of the observable universe in light years, or 45 billion light years.

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Answer 2

Layla Anderson

The diameter of the observable universe is about 8.8 × 10^26 meters.

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Answer 3

Leah Abbate

The size of the observable universe is approximately 93 billion light-years in diameter, which is roughly (8.8 \times 10^{26}) meters.

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Answer from HIX Tutor

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.