单词Oort cloud
网络: 奥尔特云；欧特云；奥特云
Perhaps when this planet is at the far end of its path around the Sun, it reaches the inner edge of the Oort cloud.
当这颗行星运行到其公转轨道的远日点时，刚好就到达奥尔特彗星云的内缘。
The theory was that Nemesis crashed through the Oort cloud every 27 million years and sent a shower of comets in our direction.
该理论认为涅墨西斯星球每隔2700万年会穿过奥尔特云向地球发射一大批彗星。
Occasionally, a comet is deflected from the Oort cloud to orbit the Sun in a long, elliptical path.
偶而，彗星转离欧特云，绕太阳以长椭圆路径作轨道运行。
Lissauer and his colleagues have long suspected a planet-size object, sometimes called Tyche, could be hiding in the Oort Cloud.
李索尔和他的同事很久前就怀疑有一个行星大小的天体（有时被称作Tyche（古希腊命运女神））隐藏在奥尔特云中。
Normal comets fall into the inner regions of the solar system from icy reservoirs in the distant Kuiper belt and Oort cloud.
通常来说，彗星来自距离遥远且冰天雪地的柯伊伯带和奥尔特星云然后掉入太阳系中的内层区域。
Kuiper Belt in addition to discrete disk ecliptic, the sun circle and still hypothetical Oort cloud.
在柯伊伯带之外还有黄道离散盘面、太阳圈和依然属于假设的奥尔特云。
Tyche is the nickname given to a hypothesized gas giant planet located in the Solar System"s Oort cloud.
幸神星是太阳系奥尔特云内的一颗假设的气态巨行星的昵称。
A Nasa graphic which illustrates how the Oort Cloud surrounds our solar system.
这幅美国宇航局的图示说明了奥特云如何包围着我们的太阳系。
Neither Kirkpatrick nor Wright think Nemesis is disrupting the Oort cloud and sending comets towards Earth, however.
然而，不论是克里克帕特里克还是赖特，他们都不认为“复仇者”正在扰乱欧特云团并将彗星抛向地球。
This is still well within the Oort cloud, whose boundary is estimated to be beyond 50, 000 AU.
据估计，奥尔特云的边界应在50,000天文单位外，因此该天体依然位于奥尔特云内。