An started working on this program while a graduate student at Ohio State University, Columbus, under the leadership of Ohio State astronomer Kris Sellgren, the co-investigator on the project.

由本项目的合作研究者、俄亥俄州天文学家克里斯。Sellgren带领的一个由哥伦布市俄亥俄州立大学的研究生团队开始了这项研究工作。

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"And today I return to Columbus to mark a milestone on the road to recovery: The 10,000th project launched under the Recovery Act.

VOA: standard.2010.06.18

The project set up a mentoring program between governmental employees and Columbus, Ohio students.

CNN: AllPolitics - Gore Honors Government Workers

The President tomorrow is going to travel out to Columbus, Ohio, for the groundbreaking of the 10, 000th Recovery Act road project -- the 10, 000th road project.

WHITEHOUSE: Press Briefing with Vice President Biden and Press Secretary Gibbs | The White House

And today, I return to Columbus to mark a milestone on the road to recovery: the 10, 000th project launched under the Recovery Act.

WHITEHOUSE: A Summer of Recovery Act Projects