文章列表

• 1.英语听力：自然百科 金星和水星旅行指南(16)
• Where did all the water on the Venus go? 金星所有的水去了哪里? And what else lies hidden under her veil? 还有什么别的隐藏在她的面纱下吗? In 1989 the s...
• 2.英语听力：自然百科 金星和水星旅行指南(15)
• You are there, on the most exciting nerve shattering journey in the history of men. 你在那里,经历着人类历史上最激动人心的旅程。 Fifty years ago, it wa...
• 3.英语听力：自然百科 金星和水星旅行指南(14)
• Venus' clouds cover is mostly made of carbon dioxide then the earth we have the same amount but it's tied up in rocks like limestones just tied up in ...
• 4.英语听力：自然百科 金星和水星旅行指南(13)
• Move away from the sun and you'd expect it to cool down a little. 远离太阳，你会期望它冷却下来一点点。 Venus the picture of coolness and calm all pale...
• 5.英语听力：自然百科 金星和水星旅行指南(12)
• And here in a freezer that MESSENGER will encounter another puzzle: can ice exist on a planet so close to the sun? 在冷冻中,信使号将遇到另一个难题:如...
• 6.英语听力：自然百科 金星和水星旅行指南(11)
• If you are walking on the surface of mercury, you need one heck of spacesuit because if you are in the sun, it will be extremely hot. 如果你在水星表面...
• 7.英语听力：自然百科 金星和水星旅行指南(10)
• Reason you are gonna go to mercury as a travel destination would be this night sight view because it's gonna be highly unique in the solar system. 你...
• 8.英语听力：自然百科 金星和水星旅行指南(9)
• Like Mercury, the Earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for t...
• 9.英语听力：自然百科 金星和水星旅行指南(8)
• When you getting to the orbit, you can end up mapping the whole planet at fairly high resolution. So we'll start having a maturing fundamental underst...
• 10.英语听力：自然百科 金星和水星旅行指南(7)
• Mercury's core makes up about 60% of the planet by mass. It's about twice as big as earth. Why would it have such a huge core for such a small planet?...