文章列表

• 1.英语听力：自然百科 穿越银河系的旅行 Through Milky Way—31
• Our galaxy is rushing toward the great galaxy Andromeda, they are rushing toward each other. And they are going to encounter each other in a couple bi...
• 2.英语听力：自然百科 穿越银河系的旅行 Through Milky Way—30
• We've transported the earth 3 billion years into the future. The sky is dominated by a massive galaxy called Andromeda. The view looks peaceful enough...
• 3.英语听力：自然百科 穿越银河系的旅行 Through Milky Way—29
• And every faint smudge of light you are looking at is a galaxy. For Richard Ellis, it's a galactic treasure trove. So much like an archaeologist/, we ...
• 4.英语听力：自然百科 穿越银河系的旅行 Through Milky Way—28
• The first stars in our Milky Way were fearsome high-octane stars, burning their hydrogen fuel at tremendous rates, rushing through their life cycle. T...
• 5.英语听力：自然百科 穿越银河系的旅行 Through Milky Way—27
• But our time traveling isnt yet over. There is still the question of how the first galaxies kindled the very first stars. We are on a journey visiting...
• 6.英语听力：自然百科 穿越银河系的旅行 Through Milky Way—26
• So what we are looking at is a region about 200 million light years across which is actually just a small part of our really big simulation that we ca...
• 7.英语听力：自然百科 穿越银河系的旅行 Through Milky Way—25
• What happens is that, first the dark matter forms the structure, the ordinary matter then follows the dark matter. The ordinary matter is hydrogen and...
• 8.英语听力：自然百科 穿越银河系的旅行 Through Milky Way—24
• Its extremely frustrating because this region, this time period holds within it, in some sense, the rose headstone of / galaxy formation. But there ar...
• 9.英语听力：自然百科 穿越银河系的旅行 Through Milky Way—23
• But dark matter does more than simply holds galaxy like ours together. Astronomers think it binds the Milky Way into an extraordinary structure along ...
• 10.英语听力：自然百科 穿越银河系的旅行 Through Milky Way—22
• All of the galaxies, all of the stars, and gas and dust and planets, and everything else that we can see with our greatest telescopes represent about ...