goldilocks 科幻小說裡說宇宙間還有其他的行星適合 人類生存, 在真實的世界, 科學家也在尋找, 離地球20光年的seoGoldilocks溫度 不會太熱也不會太冷, 可能有水, 適合生物 成長. The possibility of life on other planets has 房屋買賣been a staple of science fiction for decades. Now that possibility has taken a step closer to reality as 小額信貸astronomers say they have found a planet orbiting a star a mere 20 light-years away that has the right 裝潢conditions for life to exist. Scientists are calling it the first "Goldilocks" planet, as its temperature 591seems to be just right to harbor life. "The planet has to be the right distance from the star so it's G2000not too hot and not too cold that liquid water can exist," says Paul Butler of the Carnegie Institution 褐藻醣膠of Washington. "And then the planet has to have the right surface gravity." Butler spoke Wednesday 酒店經紀afternoon at a news conference organized b http://www.npr.org/templates/story/story.php?storyId=130215192 賣房子


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