美国 · 综合新闻 · NASA Earth Observatory
Notes from the Field
In early September, I drove down to Wallops Flight Facility to set up our GPS base station in preparation for the test flight. The test flight is to verify that everything is…
在 NASA Earth Observatory 阅读全文 登录后可收藏MarketNews 仅展示媒体发布的标题和摘要，全文请在出版方网站阅读。 (earthobservatory.nasa.gov)
