所有关于类地行星的文章
科学60秒:地球的兄弟Kepler 22b
Hints:Kepler 22bNASA's orbiting Kepler telescope has discovered its first planet in the habitable zone of another star. By "habitable," astronomers mean that a planet could harbor temperatures c...
4个月前
视听一句 科学60秒 类地行星 航天 沪江听写酷文章 
【NPR】发现可能适合生命的类地行星 (有声)
美国NASA在2009年发射的开普勒太空望远镜在太阳系外发现了一颗类地行星。该行星是地球体积的约2.5倍,与其环绕的恒星(其温度较太阳低)的距离较地球距太阳的距离稍近,其公转周期是290天。该行星可能适合液态
5个月前
类地行星 英语听力 今日NPR 
类地行星发现者
这是一篇关于类地行星发现的介绍。For a planet to support life, the planet must be located within its star’s habitable zone. That is, it must be located at a distance where the temperature would a
1年前
天文学 类地行星 科学 英语听力 沪江听写酷文章 
类地行星发现者
这是一篇关于类地行星发现的介绍。For a planet to support life, the planet must be located within its star’s habitable zone. That is, it must be located at a distance where the temperature would a...
1年前
天文学 类地行星 科学 英语听力 沪江听写酷文章 
太空望远镜探测类地球行星
NASA engineers created the Kepler mission to study the question of whether or not the Earth is the only planet of its kind in the universe. The $600 ...
3年前
太空望远镜 类地行星 标准VOA 
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