100:00:27,340 --> 00:00:29,420A Perfect Planet.һ������������.200:00:38,700 --> 00:00:43,260There is a nuclear reactor 93 million miles away.��ǧ������Ӣ������һ���˷�Ӧ��.300:00:47,780 --> 00:00:49,780We call it the Sun.���dz�֮Ϊ̫��.400:00:52,060 --> 00:00:55,260Its rays,travelling through space,���Ĺ��ߴ�Խ̫��,500:00:55,260 --> 00:00:58,420