单词：Oort
Oort的用法和样例：
例句
- There it causes havoc in the Oort Cloud, a huge region surrounding the solar system that contains billions of bits of cosmic rubble left over from the formation of planets.在那里，它引起了奥尔特云的浩劫，奥尔特云是一个巨大的围绕太阳系的区域，里面包含了数十亿从行星形成中分离出来的宇宙碎块。
单词：Oort 相关文章
[6] One group, led by John Matese, professor of physics at the University of Louisiana at Lafayette, confirms the notion that it is most likely to be a brown dwarf, a star that never accumulated enoug
阅读空间
So the solar system is really quite enormous. By the time we reach Pluto, we have come so far that the Sunour dear, warm, skin-tanning, life-giving Sunhas shrunk to the size of a pinhead. It is little more than a bright star. 所以，太阳系确实是
万物简史
Of course we have no prospect of such a journey. A trip of 240,000 miles to the Moon still represents a very big undertaking for us. A manned mission to Mars, called for by the first President Bush in a moment of passing giddiness, was quietly droppe
万物简史
The Oort cloud is a spherical haze of comets that surrounds our entire solar system. We often get the false impression that the solar system ends with Pluto. In fact, beyond Pluto is the Oort cloud, encircling everything else like an enormous shell.
英语时差8，16