Why does outer space look black? Well, the night sky is so dark to our perception because most of the universe is empty. But have you ever wondered what space would look like if it was red? Just imagine: you go out on the roof at night to look at the stars, but the whole sky is red! What's going on here? This can't be real. Has something happened with the earth's atmosphere? Or maybe you're on another planet entirely!? It seems a super-powerful star has formed near the Earth – it’s the only reasonable answer! Space is usually black because stars are too far away from each other and from our planet. The closest they get is 4 light-years away, and that trip would still take 137,000 years to get from A to B! The light they emit simply can’t illuminate that vast space in between. But it can and does when you shorten the gap. #whatif #spacefacts #brightside Other videos you might like:
Why There Is Light on Earth But Not in Space https://www.youtube.com/watch?v=J1Fxl4cGVd4&
What If Just One Planet Disappeared from the Solar System https://www.youtube.com/watch?v=IFAvLx6kZUM&
What If the Sun Never Went Down Again https://www.youtube.com/watch?v=nmSH93wXbFU& Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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