Have you ever wondered what our world would look like if the Earth was near a star that wasn't the Sun? I never did either, but now that I know the possibilities, I simply cannot stop wondering about how different things would be. I always thought life would be unfathomable without our sun, but now I'm not so sure. (source YouTube)Here's some information on the stars featured in the video:Alpha Centauri: the brightest star in the southern constellation of Centaurus and the third brightest star in the night sky. It is also the closest star to our Sun.Sirius: though perceived...