Scientific Creation Story Part 2
About the scientific story of creation, explanation of science for the origins of the universe and the world.
Among these inner planets which have circled the sun for the last 4 or 5 billion years is our earth. In its early days the earth had a crust of molten rock and an atmosphere of hot gases. Large quantities of hydrogen, helium, and other gases escaped the atmosphere altogether, leaving a hot aqueous vapor around the planet. The moist vapor formed a sort of hotwater envelope over the earth.
Meanwhile, at the core of the planet, carbon was forming into carbides, the most stable of the carbon compounds at high temperatures. In addition to large quantities of carbides, the earth's core contained nitrides, which had resulted from combining nitrogen molecules in the great heat.
Then, the material at the center of the earth erupted, sending carbides and nitrides to the surface of the planet. Rising into the steamy atmosphere, the chemicals combined with water, to enter the hot, moist envelope in solution. Carbides with water formed simple hydrocarbons; nitrides in water produced ammonia.
The earth's atmosphere was now teeming with organic chemicals. But the young planet was still cooling, causing the atmosphere to become more and more condensed. Finally, it began to rain. Torrents of hot rain fell upon the earth, filling the basins on the earth's surface, forming new, hot oceans. The hot oceans, holding a great variety of organic compounds in solution, overflowed.
In time, the carbon compounds in the oceans gradually united into long carbon chains. Nitrogen compounds combined to form large and complicated molecules. By accretion the molecules grew larger and larger, and they began to exhibit colloidal properties.
A colloidal suspension is one in which finely divided particles of a substance are suspended in a gaseous, liquid, or solid medium. The new and complex globules in the oceans were mostly solutions of various salts and carbohydrates in water, with small particles suspended in these solutions. The colloidal particles collected in masses, separated by a layer of water adhering to their surfaces.
One important colloidal substance, called protoplasm, is made up of about 75% water with salts, proteins, carbohydrates, and fats present in solution. This solution also contains complex organic constituents held in suspension. These are separated by a layer of water. "Protoplasm" means "1st form," and it is the physicochemical basis of all things which are said to be alive.
The globules now filling the hot oceans absorbed more and more molecules and gradually formed membranes around themselves. Some of these membranes possessed the property of selective permeability, admitting certain substances and excluding others, thus enabling the globules to maintain a constant chemical composition. Those primitive globules, which happened, by chance, to develop selectively permeable membranes, continued to grow.
Of the globules which did develop efficient methods of growth, some could not stop. They reached greater and greater volumes, until the membranes could no longer contain their over-sized masses. But some of these giant globules happened, by accident, to possess the ability to separate, breaking up into smaller units which were supportable. Thus, they not only grew, but managed, by reproduction, to survive their own growth.
These successful globules continued their growth and reproduction, occasionally united with one another, initiating innumerable variations, as different combinations arose and perished. More and more complex and wonderful forms emerged: primitive, living cells.
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