角度地球前后环境的对比飞船发出震耳欲聋的声音,身体开始轻微地摇晃,我望向窗外大片的荒漠,心里忽然生出一抹惆怅。“爸爸,我们是要去哪儿?”“我们要去遥远的开普勒星球。”飞船内因为小孩儿的提问变得异常安静。……“爸爸,你刚刚说我们的母星不是开普勒星球,那我们原本是来自哪里呢?”三岁半的儿子懒洋洋地躺在地毯上,好奇地看着我问道。我捏了捏他的小脸,郑重其事地向他解释:“我们来自地球,位于宇宙银河系内。” Contrasting the Environment Around the Earth The spacecraft made a deafening noise, and the body began to shake slightly. I looked out of the window to see the vast desert and my heart suddenly gave me a wistful melancholy. “Daddy, where are we going? ” “We’re going to the distant Kepler planet.” “The spacecraft became unusually quiet as a child’s question. ...... ”“ Father, you just said our mother star is not Kepler planet, then where did we come from? ”“ Three and a half years old son lazily lying on the carpet, curiously looked at me and asked. I pinched his little face and solemnly explained to him: ”We are from Earth and are located in the galaxy of the universe.“ ”