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oort cloud comets
Examples with "oort cloud comets" and their translation in Chinees
Dynamical studies of hypothetical Oort cloud comets have estimated that their occurrence in the outer-planet region would be several times higher than in the inner-planet region.
對奧爾特雲彗星的動力學研究發現，外行星範圍的彗星出現次數比內行星範圍高出幾倍。
When Matese and Whitmire analyzed the orbits of these Oort Cloud comets, about 20% of them seemed to come not from the random directions you'd expect, but from a narrower section of sky.
马泰赛和惠特迈尔分析了来自奥尔特星云的彗星轨道后，发现其中20%的彗星不是像你以为的来自于随机方向，而是来自于天空的某个狭窄区域。
Their results imply that "a substantial fraction of the Oort cloud comets, perhaps exceeding 90%, are from the protoplanetary discs of other stars."
這意味著，奧爾特雲彗星中很大的一部份（甚至超過90%）都來自於其他恒星的原行星盤。
When the Sun's orbit takes it outside the galactic disc, the influence of the galactic tide is weaker; as it re-enters the galactic disc, as it does every 20-25 million years, it comes under the influence of the far stronger "disc tides", which, according to mathematical models, increase the flux of Oort cloud comets into the Solar System by a factor of 4, leading to a massive increase in the likelihood of a devastating impact.
当太阳轨道把它带出银道面，银河潮汐的影响就弱一些，当它每隔2千万到2千5百万年进入银河盘，它就会受到远为强烈的"盘潮汐"的影响，根据数学模型，奥尔特彗星的流量会增大4倍，导致毁灭性的撞击的可能性大大增加。
Andere resultaten
They found that the Oort cloud could not account for all short-period comets, particularly as short-period comets are clustered near the plane of the Solar System, whereas Oort-cloud comets tend to arrive from any point in the sky.
他們發現歐特雲不能解釋所有的短週期彗星，特別是聚集在黃道平面附近的短週期彗星，而來自歐特雲的彗星傾向於來自天空中的任意一點。
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。
Passing stars, gas clouds and galactic tides are supposed to be able to knock comets from the Oort cloud into orbits entering the inner solar system.
从附近经过的恒星、气态星云、和星际潮汐应该可以把彗星从奥尔特星云撞到通往太阳系内部的轨道上。
For an Oort cloud object to become a short-period comet, it would first have to be captured by the giant planets.
來自歐特雲的天體要成為短週期彗星，它首先要被巨大的行星俘獲。
When tickled by nearby stars or galactic tides, the Oort Cloud will sprinkle a few objects back down into the solar system to become long-period comets.
受邻近恒星和银河系潮汐的影响，奥尔特云会把少量天体撒回太阳系，变成长周期彗星。
Alternatively, the comet may have originated from interstellar space rather than from the Oort cloud.
此外，彗星可能起源於星際空間，而不是奧爾特雲。
Halley and its ilk came from a distant swarm of comets called the Oort Cloud.
而哈雷彗星及其同类彗星则来自遥远的奥尔特彗星云【3】。
Astronomers hypothesized, based on its interior chemistry, that the comet formed in the Uranus and Neptune Oort cloud region of the Solar System.
基于对彗星内部化学的分析，天文学家推测该彗星可能形成于天王星 和海王星 之间的奥尔特云 。
In the Solar System, the hypothetical Oort cloud, believed to be the source of long-period comets, lies in this transitional region.
在太陽系，假設的歐特雲，據信是長週期彗星的來源，就在這種過渡區內。
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Synoniemen voor oort cloud comets in het Engels
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Afbeelding van de dag
Resultaten: 63. Exact: 4. Verstreken tijd: 44 ms.
