When the ball is thrown upward and is on the way up what is the direction of it's acceleration?

Inner peace.. jk it's  a stable electron configuration

Answer it orbits high above earth to gain clearer images of light, it magnifies images relative to the human eye, it records most of the universe as it was in the past, not as it is now;

The fertilized egg  begins to develop into a hollow ball of cells called the blastocyst.