Hacker News
- A Universe Full of Planets http://www.nytimes.com/2013/07/26/opinion/global/a-universe-full-of-planets.html?_r=0&hp= 55 comments
Linked pages
- At Least 17 Billion Earth-Size Alien Planets Inhabit Milky Way | Space http://www.space.com/19157-billions-earth-size-alien-planets-aas221.html 75 comments
- Universe Older Than Previously Thought | Science Mission Directorate http://science.nasa.gov/science-news/science-at-nasa/2013/21mar_cmb/ 27 comments
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