Top Ten Space Finds of 2009: Nat Geo News’s Most Viewed
1. Sun Oddly Quiet—Hints at Next "Little Ice Age"?
In May the sun was still the most sluggish it had been in decades, prompting concerns about a cooling effect on climate
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A Blue Moon Month
May 1, 2007 — A blue moon is when two full moons occur within the same month, as dictated by the satellite’s 29.5 day orbit around the earth. A full moon is that point in the moon’s orbit when it’s…
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