That's a very interesting link, the diagram of the earth moon system explains it quite well, I think. I just googled and found this article that reports the sam

That's a very interesting link, the diagram of the earth moon system explains it quite well, I think. I just googled and found this article that reports the same effect between the earth and the sun http://www.newscientist.com/article/dn17228-why-is-the-earth-moving-away-from-the-sun.html#.UjbUUX_JLIc http://www.newscientist.com/article/dn17228-why-is-the-earth...