| 寻找另一个地球 |
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| 引用本文： | 胡中为. 寻找另一个地球[J]. 自然杂志, 2007, 29(5): 283-287 |
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| 作者姓名： | 胡中为 |
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| 作者单位： | 教授，南京大学天文系，南京 210008 |
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| 摘 要： | 太阳和绕它公转的地球等行星体构成太阳系。在太阳系的成员中，只有地球处于适宜的宇宙环境，孕育了生命，万物繁衍，生机勃勃，智慧文明在迅猛发展。太阳是一颗普通恒星。在太阳系之外，是否还存在着环绕其它恒星的行星系?是否还有存在生命、乃至高度文明的行星世界呢?这是我们人类很早就思索的问题。近年来，随着高新科技的进步，搜寻太阳系之外的行星取得了重大进展，寻找到另一个地球也是前景越来越好的。
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| 关 键 词： | 地球 类地行星 类木行星 太阳 恒星 太阳系之外的行星 |
| 收稿时间： | 2007-07-12 |
| 修稿时间： | 2007-07-12 |
Seach for Another Earth |
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| HU Zhong-wei. Seach for Another Earth[J]. Chinese Journal of Nature, 2007, 29(5): 283-287 |
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| Authors: | HU Zhong-wei |
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| Affiliation: | Professor，Department of Astronomy，Nanjing University，Nanjing，210093 |
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| Abstract: | The solar system consists of the sun and planetary bodies such as the Earth which orbit around it.Among members of the solar system,the Earth is only one in most suitable cosmic environment,so that the life bred,living beings multiplied,everywhere are full of vitality,intelligence and civilization are developing rapidly.Outside of the solar system,are there any planetary system around some other star? Are there any life,and even planetary world with high civilization? This is thought a question early by our man-kind.Recent years,advanced new science and technology were developed,and great progress are taking in search for extrasolar planets.the prospects for finding another Earth are better and better. |
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| Keywords: | earth terrestrial planet jovian planet sun star extrasolar planer(exoplanet) |
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