Word: earthing
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...atmosphere of the earth been subjected to great changes in mass or in chemical constitution since the dawn of light...
Professor Searle next touched upon Satellites. The moon rotates on its axis once during each revolution around the Earth, hence keeps the same face always towards the Earth...
...planets are Mercury, Venus, the Earth. Mars, Jupiter and Saturn and Uranus and Neptune. Uranus was discovered by Herschel, and Neptune was discovered by references to a point obtained by calculation of irregularities in the motion of Uranus...
...asteroids are small planets revolving about the sun in orbits between Mars and Jupiter. Meteors are small bodies also revolving in determined orbits. and at the points where the earth meets orbits of meteors are produced "falling stars," when the meteors burn in the atmosphere of the earth...
...Professor Searle went on to describe the motion of the moon with the reference to the earth and sun, and so came to the subject of eclipses. Eclipses of the sun, though generally partial, are sometimes total. In such cases the bright light which is visible around the sun is called the corona, and is supposed to be due to the reflection of light from floating particles in the sun's atmosphere. This, however, is only one of several theories about the matter. In a total eclipse, too, we notice certain red spots around the edge of the moon...