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美国NASA实验室拟制造新一代近地天体追踪太空望远镜
NASA实验室 近地天体追踪 太空望远镜
2024/1/23
近日，美国NASA喷气推进实验室（JPL）宣布其“近地天体勘测者”（NEO Surveyor）望远镜已通过严格的技术和项目审查，将进入最终设计制造阶段，并将制定其技术、成本和进度基准。
THE POWER OF VIRTUAL GLOBES FOR VALORISING CULTURAL HERITAGE AND ENABLING SUSTAINABLE TOURISM: NASA WORLD WIND APPLICATIONS
Cultural Heritage GIS Three-dimensional Virtual Globe Web based
2014/4/21
Inspired by the visionary idea of Digital Earth, as well as from the tremendous improvements in geo-technologies, use of virtual
globes has been changing the way people approach to geographic inform...
NASA launches sky surveyor（图）
NASA sky surveyor
2009/12/17
An infrared space telescope that will map the sky in the finest detail yet has successfully launched from the Vandenberg Air Force Base in California aboard a Delta II rocket. NASA's Wide-field Infrar...
Comparison between Local Ensemble Transform Kalman Filter and PSAS in the NASA finite volume GCM–perfect model experiments
Local Ensemble Transform Kalman Filter PSAS NASA finite volume GCM–perfect model
2009/11/2
This paper compares the performance of the Local Ensemble Transform Kalman Filter (LETKF) with the Physical-Space Statistical Analysis System (PSAS) under a perfect model scenario. PSAS is a 3D-Var as...
A pulsar is the rapidly spinning and highly magnetized core left behind when a massive star explodes. Most of the 1,800 cataloged pulsars were found through their periodic radio emissions. Astronomers...
2007年1月8日至12日，在美国休斯敦美国宇航局（NASA）召开的AMS-02项目组新年首次技术交流会上，山东大学栾涛教授作了题为“STA Construction and Assembly”的主题报告，介绍了山大AMS团队所取得的重要成果。