Friday, June 19, 2009

motion at polaris



you know very well that the houses and trees were not passing you by. it was your bus and that was moving past them. the earth rotates very fast , as you look at the sky, the sun seem to move acros the sky. actually , it is the earth that is rotation on its axis. at nigth the star also seem to be moving. actually you are seing them asthe earth turns. we use polaris,sun, star and moon to observe the motion of the earth. you know the polaris is stay in one place, in the north, look at the sky, you know the sun and constellation is acros the sky bercause earth rotation and moon as revolve around the earth . you want activity , i know you want, you start your activity every full moon.

No comments:

Post a Comment