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Sura 55
Aya 5
الشَّمسُ وَالقَمَرُ بِحُسبانٍ

Ali Unal

The sun and the moon are by an exact calculation (of the All-Merciful).1
  • A noted scientist, A. Cressy Morrison, expands on this idea of the “exact calculation”:
    The earth rotates on its axis in twenty-four hours or at the rate of about one thousand miles an hour. Suppose it turned at the rate of a hundred miles an hour. Why not? Our days and nights would then be ten times as long as now. The hot sun of summer would then burn up over vegetation each long day and every sprout would freeze in such a night. The sun, the source of life (on the earth), has a surface temperature of 12,000 degrees Fahrenheit, and our earth is just far enough away so that this “eternal fire” warms us just enough and not too much. It is marvelously stable, and during millions of years, has varied so little that life as we know it has survived…. The earth travels around the sun at the rate of eighteen miles each second. If the rate of revolution had been, say, six miles or forty miles each second, we would be too far from or too close to the sun for our form of life to exist.
    Stars vary in size, as all we know. One is so large that if we were our sun, the orbit of the earth would be millions of miles inside its surface. Stars vary in the type of radiation. Many of their rays would be deadly to every known form of life. The intensity and volume of this radiation is anywhere from less than that of our sun to ten thousand times as great…. But our sun is about right for our life among millions of others which are not.
    The earth is tilted at an angle of twenty-three degrees. This gives us our seasons. If it had not been tilted, the poles would be in eternal twilight. The water vapor from the ocean would move north and south, piling up continents of ice and leaving possibly a desert between the equator and the ice. Glacial rivers would erode and roar through canyons into the salt-covered bed of the ocean to form temporary pools of brine. The weight of the unbelievably vast mass of ice would depress the poles, causing our equator to bulge or erupt, or at least show the need of a new waistline belt. The lowering of the ocean would expose vast new land areas and diminish the rainfall in all parts of the world, with fearful results.
    The moon is 240,000 miles away, and the tides twice a day are usually a gentle reminder of its presence. Tides of the ocean run as high as sixty feet in some places, and even the crust of the earth is twice a day bent outward several inches by the moon’s attraction. All seems so regular that we do not grasp to any degree the vast power that lifts the whole area of the ocean several feet and bends the crust of the earth, seemingly so solid. If our moon was, say, fifty thousand miles away instead of its present respectable distance, our tides would be so enormous that twice a day all the lowland of all the continents would be submerged by a rush of water so enormous that even the mountains would soon be eroded away, and probably no continent could have risen from the depths fast enough to exist today. The earth would crack with the turmoil and the tides in the air would create daily hurricanes.
    (In short,) there must be in nature some form of intelligent direction. If this be true, then there must be a purpose. (Morrison, 13–18).