The shape and approximate size of a baseball, the ball rolls into a space and six wide - angle lenses capture pictures and record audio. (entrepreneur.com)
In this case, the measurement was roughly equal to the angular size of a baseball on the Moon. (sciencedaily.com)
In his book The Science of Hitting, Ted explains that he carved the strike zone into 77 cells, each the size of a baseball. (frank-k-martin.com)