搜索结果: 1-1 共查到“天体测量学 Thanksgiving”相关记录1条 . 查询时间(0.109 秒)
National Solar Observatory predicts a large sunspot for Thanksgiving(图)
National Solar Observatory predicts large sunspot Thanksgiving
2020/12/11
Scientists at the U.S National Science Foundation National Solar Observatory have predicted the emergence of a new sunspot group just in time for Thanksgiving.Using a technique called h...