宇宙有没有中心?如果有,它的中心哪儿?这是许多人都会产生的疑问。早在古代,人们就注意到,太阳、月亮还有星星,每天都是从东方升起,西方落下,日复一日,周而复始,因此认为地球处于宇宙的中心,众星是围绕着地球在不停地运转。这种把地球视为宇宙中心的最典型代表,是古希腊的著名学者托勒玫提出的“地 Is there any center in the universe? If so, where is its center? This is a question that many people will have. As early as ancient times, people noticed that the sun, the moon and the stars are rising from the east every day, and the west falls day after day, so that the Earth is in the center of the universe and the stars are around the earth. Stop running. This is the most typical representative of the Earth as the center of the universe, which was proposed by the famous Greek scholar Tolleme