According to Alan Stern, planetary scientist, the biggest public relations boost for the ISS may come from the privately funded space flight industry.

行星科学家艾伦·斯特恩认为，国际空间站最大的公关推动力可能来自私人资助的太空飞行业。

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John Grant is a planetary scientist with the Smithsonian Institution.

约翰·格兰特(John Grant)是史密森尼学会的一名行星科学家。

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According to planetary scientist Robin Canup, all three of Pluto's satellites could trace back to a single impact.

据行星学家罗宾·卡纳普说，冥王星的所有三个卫星可以追溯回同一次撞击。

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Planetary scientist Samuel Kounaves at Tufts University in Boston also said there likely was no connection.

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So, though working full-time as a planetary scientist, Mr Shoemaker taught himself astronomy, and in 1973 began a regular scan of the skies.

ECONOMIST: Gene Shoemaker

According to Ian Crawford, a planetary scientist at Birkbeck, University of London, the moon is the best place to look to find more evidence.

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