他致力于有关行星运动的科研成果，并且尝试运用理论来解释它们。
He looked at these results about the motion of planets and try to come up with the theory that could explain them.
行星研究学家艾伦·斯坦，NASA前科研协理署长，称新理论“十分新颖独特，”但不容易证明其正确性。
Planetary scientist Alan Stern, former NASA associate administrator for science, said it is a "very clever new idea," but one that is not easily tested to learn whether it is right.
第四颗行星被另一个科研小组于2004年发现，它有着地球十倍的质量，而且是与那颗已知恒星距离最近的。
A fourth object, which has more than ten times the mass of Earth and is the nearest to the star yet found, was noticed by another team in 2004.
为满足生产和科研的需要，达到以低成本加工出高精度产品的要求，我们在某些方面对LZM-6B型行星式单臂研磨抛光机进行了改造。
To meet the needs of production and scientific research and process low cost and high-precision products, we transformed the LZM-6B type planetary polishing machine with gear arm in some aspects.
随着其他公司加入竞争，这一价格可能很快就会下跌，到时候航天飞机每天都能发航班去外太空、月球和小行星，人们可以去旅游、采矿、搞科研。
With competition from other companies, that price could soon drop low enough for daily shuttle service to outer space, the moon and asteroids8 for tourism, mining and science.
随着其他公司加入竞争，这一价格可能很快就会下跌，到时候航天飞机每天都能发航班去外太空、月球和小行星，人们可以去旅游、采矿、搞科研。
With competition from other companies, that price could soon drop low enough for daily shuttle service to outer space, the moon and asteroids8 for tourism, mining and science.
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