Getting to asteroids cheaply is a major factor in opening up the resources of the solar system.

能否经济地到达小行星带是开发太阳系资源的关键。

So these researchers are working on expanding their database, and creating an open resource for scientists worldwide.

因此，这些研究人员正在努力扩展他们的数据库，并为全世界的科学家创建一个开放资源。