火箭升空到太空的英文表达是"rocket launch into space"。这个表达来源于火箭升空到太空这个概念，其中"rocket"指火箭，"launch"指升空，"into space"指进入太空。例句：
The rocket launch into space was a huge success. 火箭升空到太空是一个巨大的成功。
The rocket launch into space was delayed due to bad weather. 由于天气不好，火箭升空到太空被推迟。
The rocket launch into space was broadcast pve on television. 火箭升空到太空的过程在电视上现场直播。