Word: millionths
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...with an explosion visible from the earth. About 1,000 meteors that size must have fallen moonward in the past century, but no explosion has been seen. Therefore, the moon must have enough atmosphere to consume them long before they could make pockmarks. Probably it is only one millionth as dense as the earth's atmosphere at the surface, but 80 miles up it may be as dense as ours (because of the moon's lesser gravitational pull), and the earth's atmosphere 80 miles up is still dense enough to destroy most meteors in a flash...
...micrography, also showed a picture of a tobacco mosaic molecule about to be destroyed by an encircling legion of antibodies manufactured in the bodies of rabbits in which the virus had been injected. The pictures confirmed Stanley's theoretical reckoning that this molecule is about 20-millionths of an inch long and three-fifths of a millionth of an inch in diameter...
...Keuka College, N. Y., his widow received the millionth copy of General Henry Martyn Robert's parliamentary classic, Rules of Order...
...Charles Darwin. In effect the method is to work down as far as possible with the magnetism of molecules, then continue with the magnetism in the nuclei (cores) of the atoms themselves. In this way, researchers can plausibly expect to get down to one hundred-thousandth, possibly to one millionth of a degree above absolute zero...
Like a great dahlia, the sun is ringed with petals of light. The inner corona, one-millionth as bright as the sun's heart, is dazzling yellow, the outer corona pearly white, with delicate, wraithlike streamers. Often the corona is racked by violent eruptions that produce magnetic storms through the earth's atmosphere. But it is impossible to detect such phenomena with an ordinary telescope, for the sun's brilliance obscures its crown. For years astronomers rushed to the ends of the earth, chasing eclipses so they could photograph the corona for a few minutes while...