The Number of the Day: 50,000,000,000

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NASA scientists recently announced their estimate that at least 50,000,000,000 planets exist in the Milky Way galaxy – with more than 500,000,000 of those containing temperature conditions that could sustain life. They formulated the estimate by studying a 1/400th-size section of the sky and extrapolating out from there.

Only Very, Very Slightly Related Fact: According to its website, Americans consumed more than 200 Million Milky Way candy bars in the year 2005 alone.

[Sources: CBC News and Milky Way. See previous Numbers of the Day here.]

February 24, 2011 - 4:55am
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