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Once in a Blue Moon
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You're in for a spook-tacular sight this Halloween if the skies are clear! On Halloween night, just after 6 pm, the SECOND full moon of the month will emerge from the horizon. Aside from having a full moon on the spookiest night of the year, there are even more factors that make this moon special.
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The full moon on Halloween is considered a blue moon. The most widely used de...
23.4 Degrees and Falling
It's not the temperature, as they say: it's the obliquity. And yet, the connection with winter weather and decreasing temperatures is very real.
At this point, you may be wondering what on Earth I am writing about, and in fact, you would be very close to answering your own question. Our planet Earth is tilted, or rather, the Earth's axis of rotation is tilted with respect to the ecliptic, and the degree of tilt is referred to as obliquity. If you're wondering what that means, it means ...
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