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Predicting Weather By The Moon - Xavier University Libraries

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<strong>Weather</strong> <strong>By</strong> <strong>The</strong> <strong>Moon</strong><br />

tio, compared to the planet it orbits. (Pluto’s <strong>Moon</strong> Charon<br />

is a notable exception) For instance, the nearest comparison<br />

is that of Neptune’s <strong>Moon</strong> ‘Triton’, which is only one<br />

two hundred and ninetieth of Neptune’s mass.<br />

<strong>The</strong>re is, consequently, an unusually large gravitational<br />

attraction operating between <strong>Moon</strong> and Earth. That is why<br />

it has such a gravitational effect on everything that moves<br />

freely – its pull is about two and a half times that of the<br />

COMPARATIVE SIZES OF EARTH AND MOON<br />

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Sun. When the <strong>Moon</strong> is closer or brighter this attraction is<br />

increased.<br />

<strong>The</strong> <strong>Moon</strong> is about 240,000 miles away from our<br />

Earth. This is almost ten times the distance around our<br />

Earth. If it could traverse space, a train speeding at 65 mph<br />

would take about five months to get there. If the Earth was<br />

the size of a basketball, the <strong>Moon</strong> would be the size of a<br />

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