Tiger! Tiger! — James Gunn

An object that shouldn't be there passed within a hundred yards of the space station._No one deduced from the waving of the tall grass and the frightened chatter of birds the shape of the tiger moving silently through the jungle clearing.__Tiger!__You passed silently through the night, and we blundered upon you. You were fear, awe, hatred, and opportunity. You were knowledge; you were the shape of the unknown. We stopped; we reacted. And our awareness of your existence changed our lives.__It began at 2141 on June 14..._