Kepler-186f, habitable zone, NASA artist’s concept. 克卜勒186f, 宜居帶, NASA 藝術家的概念圖

Gallery: Distant planets
Kepler-186f is seen in a NASA artist’s concept released April 17, 2014.  The planet is the first validated Earth-size planet to orbit a distant star in the habitable zone which is a range of distance from a star where liquid water might pool on the planet’s surface.  REUTERS/NASA/JPL-Caltech/Handout
Reuters Pictures  http://reuterspictures.tumblr.com/

NASA Ames/SETI Institute/JPL-Caltech
Kepler-186f - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Kepler-186f
克卜勒186f - 維基百科，自由的百科全書
http://zh.wikipedia.org/wiki/%E5%85%8B%E5%8D%9C%E5%8B%92186f
Concept - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Concept
概念 - 維基百科，自由的百科全書
http://zh.wikipedia.org/wiki/%E6%A6%82%E5%BF%B5
感謝您的光臨 "est100 一些攝影", (非營利, 沒刊登廣告) . Thank you for visiting  "est100 some photos" , (non-profit , No Advertising).  ( okok ten times "1" ) http://okok1111111111.blogspot.tw/
est100 一些攝影 4 (非營利, 沒刊登廣告) 健康, 知識.   est100  some photos - 4 Health,  Knowledge  (non-profit , No Advertising) http://okok987654321.blogspot.tw/