0
(0)
The speed of light is 300,000 km / second to the observer
How useful was this post?
Click on a star to rate it!
Average rating 0 / 5. Vote count: 0
No votes so far! Be the first to rate this post.
(SOUND)How many seconds will it take if you fly 250 light years at the speed of light? .Mp4
The speed of light is 300,000 km / second to the observer