当当读书
A New Astronomy

A New Astronomy

Todd, David P. 
0
2.99 原价¥2 开通租阅权,免费读此书
评论 赠一得一 收藏 分享
此书籍暂不支持在移动端购买和阅读

内容简介

They are not all at the same level. Earlier stages of cosmic life are characterized by intense heat; but as development of the moon progressed, original heat gradually radiated into space, leaving her surface finished. Evidently she has gone through experi ences some of which the earth may already have known, and through others still in our remote future. Matterhorn. the moon in 1647. Being so much smaller than the earth, as well as less in mass, our satellite cooled much faster than the parent planet. A few surface features are to be explained as due to the consequent shrinkage. Maps and Photographs of the Moon.--All the lunar mountains, plains, and craters are mapped and named; and astronomers are quite as familiar with 'Copernicus' and 'Eratosthenes' (a great crater, and a mountain nearly 16,000 feet high) as geographers are with Vesuvius and the Hevelius of Danzig made the first map...
展开
大家都在看换一批
大家都在看换一批
领取优惠券

温馨提示:

您已领取的礼券,请到【个人中心】-【资产】中查看。