OLEO: The On-Line Educational Observatory

天文学（11）CLEA项目（当代天文学实验室经验）正在开发一个在线环境，为研究生天文学学生提供基于发现的实验室练习。该系统的组成部分是：（1）基于浏览器的在线教育天文台（OLEO），它真实地模拟光学，无线电和空间望远镜，沿着测光，光谱和成像仪器，。(2)一个广泛的启发式数据库，覆盖整个天空，其中包括选定的数据的位置，大小，光谱，和其他性质的广泛的真实的天文物体，包括小行星，恒星，星系，恒星，x射线和红外线源。(3)使用虚拟教育观测站进行各种练习的学生练习册和教师指南。CLEA材料可在专门的OLEO网站上获得，以及一系列可安装在镜像站点、本地网络和个人机器上的CD-ROM。这些材料的使用得到了在国家和区域教师会议上举办的外联讲习班的支持。2003年夏季将在葛底斯堡学院校园为大学教师举办一次夏季培训讲习班。通过外部评估人员的观察和对在线问答的分析，正在各类机构（大学、四年制学院、两年制学院和高中）评估这些材料的课堂影响和教学效果。

Astronomy (11) Project CLEA (Contemporary Laboratory Experiences in Astronomy) is developingan on-line environment that provides discovery-based laboratory exercises toundergraduate astronomy students. The components of the system are: (1) Abrowser-based On-Line Educational Observatory (OLEO) which realisticallysimulates optical, radio, and space-based telescopes, along with photometric,spectroscopic, and imaging instruments,. (2) An extensive heuristic database, coveringthe entire sky, which incorporates selected data on positions, magnitudes, spectra, andother properties of a wide range of real astronomical objects including asteroids, stars,galaxies, pulsars, x-ray and IR sources. (3) Student workbooks and teacher's guides for avariety of exercises using the Virtual Educational Observatory.CLEA materials are made available on a dedicated OLEO Website, as well ason a series of CD-ROMS for installation on mirror sites, local networks, and individualmachines. The use of the materials is supported by outreach workshops held atnational and regional teachers' meetings. A summer training workshop for collegeteachers will be held on the Gettysburg College campus in the summer of 2003. Thecurricular impact and pedagogical effectiveness of these materials is being evaluated at adiverse group of institutions (Universities, 4-year colleges, 2-year colleges, and HighSchools), by observations by an external evaluator and through the analysis of on-linequestionnaires.