他写了100多个专题文章观察夜空，是追寻阴影合著者：一个观察员指南月食。
He has written more than 100 feature articles on observing the night sky and is the coauthor of Chasing the Shadow: an Observer's Guide to Eclipses.
他写了100多个专题文章观察夜空，是追寻阴影合著者：一个观察员指南月食。
He has written more than 100 feature articles on observing the night sky and is the coauthor of Chasing the Shadow: an Observer's Guide to Eclipses.
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