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And the world has safely forgotten about the Frame - the world, but not astronomers. On the contrary, their interest to it steadily became aggravated; the unusual asteroid set to all of them new riddles.First of all there was a question: why brightness of the Frame remains to a constant?
To all known asteroids, without an exception, certain fluctuations of brightness, accruing, weakening with the period at some o'clock are peculiar to all. It has been very long time ago established that these fluctuations - an inevitable consequence of rotation of asteroids and their wrong form. They somersault on the orbits, and the reflecting surfaces paid to the Sun, continuously replace one another, brightness is accordingly changed also.
Brightness of the Frame remained a constant. Whether this asteroid did not rotate at all, whether had ideally correct form. Both these explanations looked equally improbably.
He, certainly, also did not guess it while next day has not processed the obtained data by means of the computer. And even having seen results on the screen, he could realise not at once their sense.
Brightness of the sunlight reflected by the Frame, all the same was not absolutely constant! Fluctuations - weak, almost inaudible, but doubtless and, the main thing, regular fluctuations were traced. Like all other asteroids, the Frame rotated about the axis. But if on a usual asteroid "days" proceeded some hours, the Frame made a complete revolution for four minutes.
Doctor Stenton has immediately done approximate count - it was difficult to results to believe. Speed of rotation of this tiny world on equator exceeded one thousand kilometres per hour; any attempt to make landing somewhere, except poles, would terminate is rather pitiable, Centrifugal force on Frame equator would reject any body with the acceleration almost equal to terrestrial acceleration of free falling. The space dust - and that could not be kept on the Frame surface: it is surprising, as the similar body in general has managed to preserve itself, without having scattered on the way on millions splinters.
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