《每日科学杂志》(2010年12月20日)——研究表明微量的水创造了地球和其他类地行星上的海洋,包括那些在太阳系以外的类地行星。
ScienceDaily (Dec. 20, 2010) —Study suggests that trace amounts of water created oceans on Earth and other terrestrial planets, including those outside the solar system.
但是，科学研究正在揭示这几次大灭绝如何改变地球生物的命运——比如，决定了首先出现在陆地的动物和统治海洋的生物。
But research is uncovering how these extinction events dictated the fate of life on this planet-for instance, determining which animals first crawled onto land and which ruled the oceans.
有些大学开设了地球科学专业，但多数大学开设的是分得更细的专业，比如地质学、气象学、海洋学和天文学。
Some universities have Earth Science programs but most offer more specific training in programs such as geology, meteorology, oceanography or astronomy.
科学家们希望得到地球表面碳含量数据。这些数据会让碳们了解碳分布的状况及更好的认识海洋和森林吸收二氧碳的能力。
Scientists had hoped the new data, covering the planet, would help them improve climate models and better understand the "carbon sinks" like oceans and forests that absorb much of the gas.
海洋科学计划有地球和行星科学学部和交互生物学部共同提出。
The Marine Science program is offered jointly through the departments of Earth and Planetary Science and Integrative Biology.
海洋科学计划有地球和行星科学学部和交互生物学部共同提出。
The Marine Science program is offered jointly through the departments of Earth and Planetary Science and Integrative Biology.
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