It is the missing link of the Solar System to form the planets.在1978年,安德鲁·普伦蒂斯复活了最初的拉普拉斯关于行星形成和发展的想法,发展成现代拉普拉斯理论[2]。
In 1978,Andrew Prentice resurrected the initial Laplacian ideas about planet formation and developed the modern Laplacian theory.当行星形成时,它们聚集了一个包含行星和恒星形成的圆盘的气体的气氛。
When planets form, they gather an atmosphere containing gas from the disk in which the planet and star formed..这个小得多的新柯伊伯带天体可能是行星形成过程的早期阶段,处于尘埃和冰的初始融与行星之间。
This new,much smaller KBO could be an earlier stage of the planet formation process between small initial amalgamations of dust and ice, and planets..Combinations with other parts of speech
这些天体是数十亿年前行星形成过程中产生的最大的碎片。
Those objects are two of the largest leftovers from the planetary formation process billions of years ago.Kenyon与盐湖城犹他大学的BenBromley一起,发展了行星形成的模型,其给出的场景看上去是真实的。
Kenyon and Ben Bromley of the University of Utah inSalt Lake City have developed planet formation models that provide a plausible scenario.当行星形成时,会聚集形成一个大气层,其中包含来自行星和恒星形成星盘的气体。
When planets form, they gather an atmosphere containing gas from the disk in which the planet and star formed..行星形成时代结束后内太阳系有50-100个月球到火星大小的行星胚胎。
At the end of the planetary formation epoch the inner Solar System was populated by 50- 100 Moon- to Mars-sized planetary embryos.中心区域的行星形成随后会平息,带来紧凑的“红核”阶段。
This is followed by quenching of star formation in the central region, leading to a compact“red nugget” phase.换句话说,我们的太阳系不是一个典型的行星形成的结果,至少在一个关键方面,”他说。
In other words,our solar system is not a typical outcome of planet formation, at least in that one key respect,” he said.太阳系中不存在这样的行星,它们的存在推翻了行星形成方式和原因的预测。
Such planets do not exist in our solar system,and their existence has defied predictions of how and why planets form.中心区域的行星形成随后会平息,带来紧凑的“红核”阶段。
Subsequently quenching of star formation in the central region occurs, resulting in a compact"red nugget" phase.但没有理由认为,整个银河系行星形成的主导模式没有在太阳系中发生。
But there is no reason to think that the dominant mode of planet formation throughout the galaxy should not have occurred here.它总是被天文学家们视为理解恒星和行星形成过程的重要一环。
They have always been viewed by astronomers as acritical link in the understanding of how both stars and planets form.
Those objects are two of the largest leftovers from the planetary formation process billions of years ago….彗星是时间胶囊,包含太阳及其行星形成时从该时代遗留下来的原始物质。
Comets are actually time capsules containing primitivematerial left over from the epoch when the Sun and its planets formed.这似乎是太阳系行星形成的那种,这表明我们正在见证一个全新的行星系统的诞生。
This appears to be the same kind that the solar system's planets formed from, suggesting we're witnessing the birth of a brand new planetary system.如果它是一颗褐矮星或一颗恒星,这意味着在行星形成前,开普勒-56的轨道已经发生了扭曲。
If it's a brown dwarf or a star,that would imply that Kepler-56's disk was warped before planet formation.现在,天文学家正尝试追踪它的源头,并认为这位匆匆过客还有可能告诉我们有关行星形成的秘密。
Now, astronomers are trying to trace exactly where it came from,and what this brief visitor might tell us about how planets form.现在的理论认为,观测和计算机模拟都显示行星形成于绕恒星运行的气体尘埃盘。
Current theories, observations and computer models show that planets form from a disk of gas and dust that circles young stars.光学/近红外探测器阵列,以帮助研究星星,星系和行星形成以前的文章”.
An optical/ near-infrared detector array to help study stars,galaxies and planet formation Previous Post».火星和地球受到的陨石撞击次数与规模会在行星形成后逐渐下降。
The number and size of meteorite impacts on Mars andEarth gradually declined after the planets formed.天文学家对这类行星情有独钟,因为刚好在此线之外就是行星形成最活跃的地段。
Such planets are of special interest for astronomers, as just beyond this line,the most active planet formation occurs.成千上万个迥异于地球的恒星系统的发现解构了我们对行星形成的想法。
The discovery of thousands of star systems wildly different from ourown has demolished ideas about how planets form.火星和地球受到的陨石撞击次数与规模会在行星形成后逐渐下降。
It is known that the number and size of meteorite impacts on Mars andEarth gradually declined after the planets formed.研究人员可以研究这些特殊元素的同位素,了解行星形成的起始时间。
Researchers can look at the isotopes of those particular elements andunderstand at what time planet formation happened.史蒂文森说:“我把它看作是一个更普遍问题的窗口:类地行星形成时发生了什么?”.
I see it as a window into a more general question:What happened when terrestrial planets formed?".研究通过放射性衰变过程在地幔中局部产生的特定元素的同位素,有助于科学家理解何时完成行星形成。
Studying isotopes of particular elements produced locally in the mantle via radioactive decayprocesses helps scientists understand when planet formation was complete.陨石的化学物质还可以帮助天文学家了解早期太阳系以及如何行星形成。
Piecing together clues about the meteor could also help astronomers understand the early solar system andhow the planets formed.