The US was working toward this goal when the USSR announced it would launch a satellite  during the IGY.

当苏联宣布将在 IGY 期间发射一颗卫星时，美国正在朝着这个目标努力。

Korolev had helped persuade many of the commission to agree by  saying he would be able to launch before the start of the 1956 IGY.

科罗廖夫说他能够在 1956 年 IGY 开始之前发射，帮助说服了许多委员会同意。

IGY was an international program  that lasted from 1957 to 1958 and was implemented to collect information and research and study  geophysics and the planetary environment of Earth.

IGY 是一项从 1957 年持续到 1958 年的国际计划，旨在收集信息、研究和研究地球物理学和地球的行星环境。