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View story Milky Way Stuffed with 50 Billion Alien Worlds 1 / 0 http://news.discovery.com/space/milky-way-stuffed-with-50-bi... Submitted by GoldenHeart 15 months, 1 week, 5 days, 7 hours ago How's this for an astronomical estimate? There are at least 50 billion exoplanets in our galaxy. What's more, astronomers estimate that 500 million of these alien worlds are probably sitting inside the habitable zones of their parent stars. Tags: Milky Way, Alien Worlds, space, Life, science, galaxy, astro comment (0) | Category: Science | Add GoldenHeart as a source Comments Votes (my sources) Votes (Everyone) Add your comment Add your comment If you already have an account, sign in: Email address: Password: If you don't, just complete these fields: (or join coRank for free) Your name: Your site: (optional) Your comment: (You have up to 5000 characters left) Can you see the 5 most prominent letters/numbers in this image? (case insensitive) Please enter them here: « go back

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