Earth's seven sisters
Submitted by susan on Thu, 2017-02-23 12:30
Seven small planets whose surfaces could harbour liquid water have been spotted around a nearby dwarf star. If such a configuration is common in planetary systems, our Galaxy could be teeming with Earth-like planets.
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http://www.nature.com/articles/542421a.epdf?referrer_access_token=82itSXWXz-RtfnZvaSN5OtRgN0jAjWel9jnR3ZoTv0NFrC5zzYmKqcORPBxOAJ-lnUeHltyNhkXkrYvM1JxZ9iJi2EmeA6i-6y63go6Fd4zgGxquHKs-m_H_n2dOxD9Klb0RX0HYA0QcJHsGGUfGP-iXwjB9Qw-yduR_i1gjSI5xWsHFeI-g8BBoIM70kD4YK-9EMm20hwklyoxbzEfTwWtdHbAyz_BDzbwB0hTpwm3K7DghubELgWU5cYvOrPyi&tracking_referrer=www.pbs.org
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Publication Date:
23/02/2017