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Water on the Moon Studies in the journal Science report that instruments on three different spacecraft have found evidence for widespread trace amounts of water on the moon. Karen Hopkin reports For all you space buffs who like to keep track of wher
发表于:2018-12-07 / 阅读(68) / 评论(0)
60秒科学
60秒科学
For all you space buffs who like to keep track of where the water is, it looks like you can add our very own moon to your list. Because according to a trio of papers appearing in the journal Science, the lunar surface is wetter than we realized. Fort
发表于:2018-12-24 / 阅读(44) / 评论(0)
Scientific American(九)月
Scientific American(九)月
STEVE INSKEEP, HOST: Hurricane Florence, which is approaching the Carolinas, is another strong storm. Hurricanes are measured by wind. This one has had recorded speeds of up to 140 miles per hour. But whenever it makes landfall, the real danger may b
发表于:2019-01-17 / 阅读(50) / 评论(0)
2018年NPR美国国家公共电台9月
2018年NPR美国国家公共电台9月