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A light year is a measure of distance, not time. It is the distance light travels in a year.

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Q: How many light years are equal to 4.5 billion years?
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How many years equal a billion years?

A billion years equals a billion years. 1,000,000,000 years


How many miles are in a billion light years?

one billion light years = 5.87849981 × 1021 miles


How many years in one billion milliseconds?

One billion milliseconds is equal to approximately 11.5741 days. This is equal to approximately .0317 years.


How many kilometers is 13.7 billion light-years?

130 billion trillion.


When you see a galaxy 8 billion light years away you are how many years into the past?

When you see a galaxy that is 8 billion light years away, you are observing it as it was 8 billion years ago because light takes time to travel across such vast distances.


How many light years to travel 80240000000000000000000 miles?

222 billion miles = 0.0377647371 light years.


How many lightyears are in a gly?

1,000,000,000 light-years (one billion light-years) are in one Gly


How many meters is 2 million light years?

One light year is about 9.46 trillion kilometers, and since 1 kilometer is equal to 1,000 meters, 2 million light years is approximately equivalent to 1.89 x 10^22 meters.


How many years is one billion days?

2737849516,63 years equal one billion days with the provision that the current time measurements are constant


How many yards are there in 14 billion light years?

1.448462358 x1026


How many light years is 5000000000 miles?

Much less than one light year. 5 billion miles is "only" about 0.000850557142 light years.


2.3million light years is equal to how many miles?

2.3 million light years is 13,500,341,279,999,999,868,928 miles.