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To the moon and back, many times a minute

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Hank Hogan, hank@hankhogan.com

The moon is spiraling away at 3.8 cm, or about an inch and a half, a year. But don’t worry. Given that it sits at a distance of about 385,000 km, or just under 240,000 miles, there will be no noticeable change in its appearance for a long, long time. For almost 20 years from the late 1960s,...Read full article

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