A high price to pay It is necessary for a domed stadium to meet the requirements for baseball, such as a distance of 120 meters or more from home plate to the center field home run fence. Thus a Big Egg stadium must be at least 210 meters long, and it must be either round or oval; it must be at least 60 meters high, so that fly balls do not hit the roof.
巨蛋因為要適合棒球比賽的規格，例如全壘打到本壘板最長距離為一百二十二公呎，因此一座巨蛋建築，至少要有二百一十公呎以上的直徑，而且形狀必須是圓形或橢圓形、高度至少要六十公呎以上，才有可能讓球不致碰到屋頂。