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

Science

What's the measurement of light?

1 Answer
ANSWER

The speed of light, is the speed at which light travels in a vacuum. The speed of light is 299,792,458 metres per second or approximately 300,000 kilometres per second, 86,000 miles per second, or 671 million miles per hour.

{{ relativeTimeResolver(1675036500958) }}
LIVE
Points points 19
Rating

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE

Blog Help Center Conditions of Use Privacy Notice

© 2010 - 2022, Amazon.com, inc. or its affiliates. All Rights Reserved.