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宇航员翁贝托·圭多尼(Umberto Guidoni)曾两次乘坐航天飞机,其中一次就是乘坐哥伦比亚号。本刊记者就这次悲剧采访了圭多尼,请他回答了读者提出的一些问题。
Astronaut Umberto Guidoni used the space shuttle twice, one of which was to take the Columbia. Our reporter interviewed Guidoni on this tragedy and asked him to answer some questions raised by the readers.