Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

How many earth years is one lightyear?

1

A lightyear is not a time unit. It is the distance light travels in one year and is equivalent to about 9.46 trillion kilometers.

{{ relativeTimeResolver(1642361208320) }}

points 13
Rating

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE