8:30
The ship 's rockets thrust again -- and the booster-circuit came into play . There were maneuverings . A second balloon was put out in space . At 8:30 Central U. S. Time , on a period relinquished by other advertisers -- bought out -- a new program went on the air . It was a half-hour show , sponsored by the Intercity Credit Corporation -- `` Buy on Credit Guaranteed '' -- with ten straight minutes of commercials interjected in four sections . It was the highest-priced show ever put on the air . It showed the interior of the ship 's control-rooms , with occasional brief switches to authoritative persons on Earth for comment on what was relayed from the far-off skies .