Question

what is light year speed? and what is the speed of light?

aaj space related question arna ji ​

Answer 1

Answer:

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.

I hope this will help you ☺️

Answer 2

A light year is the distance travelled by light in vaccum, in one year.i.e.,

1 light year = speed of light × time 1 year

The distance of stars from earth bis generally expressed bin light years. However, it's smaller units light minute and light second are also used .

The speed of light is

$\qquad\sf{ = 3 \times 10 {}^{8} m\s}$

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