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Scientists find smallest planet
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jinhua song
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Apr 10, 2008, 8:04:52 AM
4/10/08
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Scientists find smallest planet
http://www.chinadaily.com.cn/world/2008-04/10/content_6605682.htm
远川
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Apr 12, 2008, 10:13:16 AM
4/12/08
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这是太阳系外发现的最小的行星,但质量也是地球的5倍。
他们的主要目的之一是想发现有没有外星人,但是质量太大的都不适合居住的。所以只能发展更强大的观测手段,才能看到质量更小的行星。最近有篇
Nature就讲了用激光技术探测更小行星的方法。
On Apr 10, 3:04 pm, "jinhua song" <
jhsong....@gmail.com
> wrote:
> Scientists find smallest planethttp://
www.chinadaily.com.cn/world/2008-04/10/content_6605682.htm
jhsong
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Apr 13, 2008, 8:57:59 AM
4/13/08
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外行看热闹,内行看门道.远川这么一讲,有点明白寻找小行星的意义.谢谢.
> > Scientists find smallest planethttp://
www.chinadaily.com.cn/world/2008-04/10/content_6605682.htm-
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