Feb 4 1976
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First mainstage test of the Space Shuttle main engine occurred at the National Space Technology Laboratories in Hancock County, Miss., Marshall Space Flight Center announced. The engine-called the Integrated Subsystem Test Bed-was fired for 3.38 sec, reaching and stabilizing at its minimum power level: 50% of its rated power level of 1 668 075 newtons at sea level, or 2 090 654 newtons at altitude. Tests were conducted by the prime contractor for the engine, Rocketdyne Div. of Rockwell International Corp., under MSFC direction. (MSFC Release 76-29; Rockwell Release RD-2)
An asteroid more than 3 km across was photographed near earth 27 Jan., about 7.5 million km distant, by the Mt. Palomar Observatory, the Calif. Institute of Technology reported. The asteroid, of the type that made giant craters on planets of the solar system, was closer to earth than any known celestial body other than the moon. The institute said there was no chance that the asteroid-called 1976 AA-would collide with the earth on its present path, as the orbits of the earth and the asteroid did not touch. (NYT, 4 Feb 76, 21)
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