SEEING IS BELIEVING: When we peer into space with a telescope, we are actually looking back in time.
眼见为实：当我们利用望远镜凝视着宇宙，事实上我们正在回望过去的时间。
It is a normal element cycled around in the earth and my science, which is looking back in time, is saying we have had a planet that has been a green, warm wet planet 80 per cent of the time.
这是地球上一个正常的元素循环，我的科学沿时间回溯，表明我们的地球80%的时间曾是一个绿色、温暖、潮湿的行星。
We talked about starlight, how it had begun its journey thousands of years ago and we were looking back in time.
我们谈论星光，说起它如何于数千年前就踏上旅程，而我们其实是在回望过去。
We talked about starlight, how it had begun its journey thousands of years ago and we were looking back in time.
我们谈论星光，说起它如何于数千年前就踏上旅程，而我们其实是在回望过去。
应用推荐