| clcstlouis.org | |
| 网站标题： | Challenger Learning Center - St. Louis |
| 网站简介： | Launch your exploration of space here for cool educational simulations, activities, news, and information. Challenger Center focuses specifically on comets, Mars, Earth, the Moon, International Space Station, the Space Shuttle, space probes, and the Solar System in general. |
| 关键字： | space simulation education math science challenger space shuttle 51-L crew children school St. Louis clcstlouis.org clcstlouis be inspired learn succeed |
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