【绿山墙原版】英文原版 美国国家地理 National Geographic Second Edition Mapping the Universe and Beyond 太空地图 太空探索画册画集 pdf snb 115盘 kindle 在线 下载 pmlz mobi

Space Atlas combines updated maps, lavish photographs, and elegant illustrations to chart the solar system, the universe, and beyond. For space enthusiasts, science lovers, and star gazers, here is the newly revised edition of National Geographic's enduring guide to space, with a new introduction by American hero Buzz Aldrin.

In this guided tour of our planetary neighborhood, the Milky Way and other galaxies, and beyond, detailed maps and fascinating imagery from recent space missions partner with clear, authoritative scientific information. Starting with the sun and moving outward into space, acclaimed science writer and physicist James Trefil illuminates each planet, the most important moons, significant asteroids, and other objects in our solar system. Looking beyond, he explains what we know about the Milky Way and other galaxies--and how we know it, with clear explanations of the basics of astrophysics, including dark matter and gravitational waves. For this new edition, and to celebrate the 50th anniversary of his moonwalk, astronaut and American hero Buzz Aldrin offers a new special section on Earth's moon and its essential role in space exploration past and future.

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JAMES TREFIL, Clarence J. Robinson Professor of Physics at George Mason University, is internationally recognized not only as a distinguished scientist but also as an expert in making complex scientific ideas understandable. He is the author of numerous magazine articles and books on science for the general public, including National Geographic's The Story of Innovation. He lives in Fairfax, Virginia, with his wife.

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在线阅读地址：【绿山墙原版】英文原版 美国国家地理 National Geographic Second Edition Mapping the Universe and Beyond 太空地图 太空探索画册画集在线阅读

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在线购买地址：【绿山墙原版】英文原版 美国国家地理 National Geographic Second Edition Mapping the Universe and Beyond 太空地图 太空探索画册画集在线购买

形这颗行星每176个地球日绕轴自转一圈，每88天绕太阳转一圏。

哲学家阿尔库塔斯（前428-前327）给出了一个有趣的论点：宇宙一定是没有边界的。他认为，假设宇宙有边界，那么一个人就可以走到宇宙的边界，并向外投掷一支矛。这支矛会落到什么地方？其下落的地方将会在边界之外。而无论边界再怎么远，这个“掷矛者”总能找到边界外的一些地方。因此阿尔库塔斯认为，宇宙一定没有边界，一定是无限的。

在阿尔库塔斯之后，很多新思想不断拓展着人类对宇宙的认识，正如阿尔库塔斯的那支矛。事实上，我们将会再遇到三个“掷矛者”，他们一次次地“拓宽”了我们所处的宇宙。

书籍介绍

Space Atlas combines updated maps, lavish photographs, and elegant illustrations to chart the solar system, the universe, and beyond. For space enthusiasts, science lovers, and star gazers, here is the newly revised edition of National Geographic's enduring guide to space, with a new introduction by American hero Buzz Aldrin.

In this guided tour of our planetary neighborhood, the Milky Way and other galaxies, and beyond, detailed maps and fascinating imagery from recent space missions partner with clear, authoritative scientific information. Starting with the sun and moving outward into space, acclaimed science writer and physicist James Trefil illuminates each planet, the most important moons, significant asteroids, and other objects in our solar system. Looking beyond, he explains what we know about the Milky Way and other galaxies--and how we know it, with clear explanations of the basics of astrophysics, including dark matter and gravitational waves. For this new edition, and to celebrate the 50th anniversary of his moonwalk, astronaut and American hero Buzz Aldrin offers a new special section on Earth's moon and its essential role in space exploration past and future.