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davidn3600

(6,342 posts)
Thu Jan 3, 2013, 01:00 PM Jan 2013

New study suggests over 100 billion planets inhabit our galaxy [View all]

According to a new study, there may be far more planets in our galaxy than we previously realized. The majority are likely balls of gas or planets outside a star's "habitable zone" therefore making it unlikely for life to exist there. But with so many planets out there, the mathematical probability that there is a planet like Earth out there has to be a near certainty.

http://news.yahoo.com/100-billion-alien-planets-fill-milky-way-galaxy-221353897.html

Even the size of our galaxy is unimaginable. And recent estimates suggests there are 100-200 BILLION galaxies in the known universe.

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