Since a star's light takes so long to reach us, how do we know

Since a star's light takes so long to reach us, how do we know

If there are infinite stars out there in the universe and light travels in straight lines, why isn't the night sky a solid white light? - Quora

Answered: Select the choices that describe giant…

Found this a while ago, what are your opinions? : r/space

Because space is filled with nothing, why don't we see the light from all stars (everything is bright)? - Quora

How Do We Know How Far Away the Stars Are?

Light-year - Wikipedia

Because space is filled with nothing, why don't we see the light from all stars (everything is bright)? - Quora

If when we look at the stars we are really looking back in time, how can we be sure that the stars are still there? - Quora

Solight Design - Wikipedia

Light Novels - Volume 9, So I'm a Spider, So What? Wiki

The Speed of Light is EXTREMELY Slow

Há 25 anos, o caso do very light manchava para sempre o futebol português - I Liga - SAPO Desporto

My girlfriend and I are trying to solve this: Is purple just dark