GK
SOLAR SYSTEM
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
What is a light year used to measure?
|
|
the distance of really far objects in space
|
|
|
the time it takes sound to travel in a galaxy
|
|
|
the shape of the planets’ orbits
|
|
|
the length of time a star shines
|
Explanation:
Detailed explanation-1: -Light-year is the distance light travels in one year. Light zips through interstellar space at 186, 000 miles (300, 000 kilometers) per second and 5.88 trillion miles (9.46 trillion kilometers) per year.
There is 1 question to complete.