它们基本上是由太阳系起源时遗留下来的碎片组成的。
They're basically made up of debris left over from the origin of the solar system.
(天文学)关于太阳系起源的星云假说。
(Astronomy) the nebular hypothesis of the origin of the solar system.
太阳系原始同位素组成是研究太阳系起源和演化的基础。
The isotopic composition of solar system is the base for studying the origin and evolution of the solar system.
星团的采样的彗星和星际尘埃样本将有助于回答关于太阳系起源的一些基本问题。
Stardust's cometary and interstellar dust samples will help provide answers to fundamental questions about the origins of the solar system.
，我们将有一个更好的太阳系起源的模型，说：”美国宇航局的帕梅拉克拉克，“动态行星：水星的环境”的作者。
], we'll have a much better solar system origin model," says NASA's Pamela Clark, author of "Dynamic Planet: Mercury in the Context of its Environment."
他们的工作：天文学家利用他们在物理学和数学方面的能力来研究宇宙和它的起源，包括银河第、太阳系以及其中的行星。
What they do: Astronomers use their physics and math skills to study the universe and its origin, which includes galaxies, solar systems and the planets within.
“（在月球永久性阴暗区的）这些发现是数以万年的历史沉淀下来的，”Schultz说道，“它对探索地球的起源，以及太阳系、银河系的发源都有一定的指导意义。
'There's this archive of billions of years (in the Moon's permanently shadowed craters), ' Schultz said. 'There could be clues there to our Earth's history, our solar system, our galaxy.
研究人员是在研究HIP 13044恒星的时候发现了这颗太阳系外行星。恒星HIP 13044又名sergio(塞尔吉奥)，取“在银河系外起源的恒星”之意。
Researchers found the exoplanet while looking at the star HIP 13044 - or Sergio, for star of Extra-Galactic Origin.
如今的天文学者可以穿越时空，观测到太阳系外的星球，能够追溯到宇宙的起源。
Our astronomers now observe planets round alien SUNS and peer across vast chasms of space and time, back to the beginning of the universe itself.
“我们的月球太大了，相比于太阳系中的其他卫星，月球硕大的体积成为被科学家质疑起源的‘把柄’”。
It's huge compared to the moons we see around other planets, so it has always been suspected that there was something strange in its origin.
欧阳自远称，火星计划另外一个重要目标是，探测地球以外的太阳系，并将其它类地行星的起源与太阳系的形成相比较。
Ouyang said another important goal of the Mars mission was to detect solar systems beyond earth's reach and to compare the origins of earth-like planets with the formation of the solar system.
美国航空航天局的太阳能航天器“朱诺号”已经为星期五前往木星的极具里程碑意义的发射升空作好准备。“朱诺号”此行的使命是进一步了解木星这个太阳系最大行星的起源和进化情况。
NASA's solar-powered Juno spacecraft is ready to blast off Friday on a landmark mission to Jupiter aimed gaining new insight into the origin and evolution of the solar system's largest planet.
天狼星人的能量运动与你们的大中枢太阳之全息能量流更为共鸣，因为天狼星和地球及你们的太阳系太阳同样都起源于这个大中枢太阳。
Sirian movement is more resonant with holographic flow of your Great Central sun, as Sirius much as earth and your solar sun originated from this Great Central sun.
天狼星人的能量运动与你们的大中枢太阳之全息能量流更为共鸣，因为天狼星和地球及你们的太阳系太阳同样都起源于这个大中枢太阳。
Sirian movement is more resonant with holographic flow of your Great Central sun, as Sirius much as earth and your solar sun originated from this Great Central sun.
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