Diamond Enthusiast

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"According to NASA, the earth as seen from the moon takes up less than one degree of arc in the sky. Basically it looks like a big blue marble. No man-made detail can be seen at all; sometimes even the continents are barely distinguishable." www.straightdope.com
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Platinum Enthusiast
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newnickname's link corrects itself further down, putting the earth's diameter at almost 2 degrees of arc, i.e., almost quadruple the diameter of the sun or full moon that we see from earth.
The satellite photos of night-time earth, including a striking image circulating on the internet last year of northeastern North America during the power outage, are apparently image-intensified and appear falsely bright.
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