The mast turns on a gimbal, so that it can keep the solar cells facing the sunlight. The primary power will be converted by a secondary transformer to provide a regulated 124-volt DC current to be used by the station's equipment. There are also power converters onboard to meet the different currents required by U.S. and Russian equipment. The primary power will also be used to charge the ISS's three nickel-hydrogen battery stations, which will provide power when the ISS passes through the Earth's shadow in each orbit. Inc. All rights reserved.
Meteors burn up when they hit the earth's atmosphere.
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