Everything is made of the same stuff. Next a star mite be burnt out but we still see it because the light of the star will still be going. after that ten tons of meteorites hit the earth every day most the size of a grain of sand. later the cecomefrence is the size of the earth. That was the stuff I learned, the video was about space (duh). I will tell you about a lot of stuff that happend in the video. Right now I will tell you about the stuff I knew already. The stars you see in the sky at night are clumps of stars, a group of stars is called a constellation, Polaris is at the end of the little dipper.