热门推荐

安卓版 | iphone版

您的位置：首页 > 标签包含有标签宇宙的文章共有:43篇

[探索发现] 宇宙的形成:大爆炸(13)
It was in fact the moment of creation, nearly 14 billion years ago when those first atoms got their electrons. That's the moment when the milky cloud clears and the new universe comes into vi
2012-05-29 编辑：melody
[探索发现] 宇宙的形成:大爆炸(12)
The first one to form is Hydrogen. Then, over the next 3 minutes the Universe begins to create two more elements, helium and lithium.We went from a Universe that was infinitely small to a Universe th
2012-05-28 编辑：melody
[探索发现] 宇宙的形成:大爆炸(11)
The universe with equal amounts of matter and anti-matters, equivalent to the universe with no matter at all, because the matter and anti-matter will annihilate back into pure radiation, and with not
2012-05-25 编辑：melody
[探索发现] 宇宙的形成:大爆炸(10)
And then that pure energy briefly transforms into matter, just like it did nearly 14 billion years ago. But a monster machine needs a monster detector to see these collisions.正如140亿前年宇宙大爆炸一
2012-05-24 编辑：melody
[探索发现] 宇宙的形成:大爆炸(9)
Now there are more and more subatomic particles, but it's still a hot, violent place. All this is happening in fractions of a second, too small to detect it, but the Big Bang is moving into a
2012-05-23 编辑：melody
[探索发现] 宇宙的形成:大爆炸(8)
In just a fraction of a second after the Big Bang, the building blocks of our Universe begin to take shape. But this first matter is like nothing we see today.大爆炸后短短的一瞬间，宇宙的组成元素开始
2012-05-22 编辑：melody
[探索发现] 宇宙的形成:大爆炸(7)
A fraction of a second after the Big Bang, the universe is so small, it can fit in the palm of your hand. But in another tiny fraction of a second, it expands to the size of the earth. Then moving fa
2012-05-18 编辑：melody
[探索发现] 宇宙的形成:大爆炸(6)
And for the record, that's faster than the speed of light. But wait. Doesn't that break one of the Laws of Physics?记录显示那比光速更快。但是且慢。那会打破其中一条物理学定律吗？Even s
2012-05-17 编辑：melody
[探索发现] 宇宙的形成:大爆炸(5)
Just the point to raging energy, it was the beginning of the universe and everything in it.奇点内的能量剧烈膨胀，包罗万象的宇宙开始形成。Everything was simple, all the forces that we know about today
2012-05-16 编辑：melody
[科学美国人60秒综合系列] 60秒科学:宇宙只有一个地球
Scientists are looking for Earth-like planets around other stars. But one way to limit the search can be to figure out where an Earth-like planet cannot exist and eliminate those types of systems.科学
2012-05-15 编辑：Daisy