You would need to get out of the Milky Way to really see what it looks like. We don't have a way to do that, but we can look at other galaxies and see what they look like. 你需要走出银河系列才能看到它真正的样子。我们都没有办法...
Of course, I can't show you a picture of the galaxy on our screen. We can't fly above the galaxy and take a picture of it, and show you. We're stuck in the disc of the galaxy, but we can still image it from the ground, in fact, this image is a pictur...
We live amongst 200 billion stars, in the Milky Way galaxy, a vast cosmic city. The earth is located in a quiet neighborhood, in a safe neck of the woods. But what if we could take our planets on a journey through the galaxy? What wonders would be se...
Like Mercury, the Earth takes a beating from the sun's violent temper. 像水星一样,地球也需要承受太阳暴躁的脾气。 Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our head...
Valor will be tackling the acid clouds of Venus with a little heIp from frying pan technology. 在一种技术的帮助下，勇敢号将追踪金星云中的酸。 There's been two other balloons, already launched to Venus in the mid-1980s. 两个其它...
If there was life of our kind, the organic kind, on the surface of Venus a long time ago, then what happened to that life? 如果存在我们的生命种类，有机类，很久以前出现在金星,后来生命发生了什么? Well one possibility i...
Despite all this scientific effort, we still don't know what triggered Venus' diabolical transformation. 尽管科学已经进行了不懈努力,但我们依然不知道是什么引发了金星如此的转变。 People debated over whether Venus ever...
