A spacecraft called Rosetta went into the history books last month.In 2004, the European Space Agency (ESA, 欧洲宇航局) sent Rosetta into space to study a comet (彗星) named Comet 67P, which was over 730 million kilometers from Earth.
中报二十一世纪(北京)传媒科技有限公司版权所有,未经书面授权,禁止转载或建立镜像。 主办单位:中国日报社 Copyright by 21st Century English Education Media All Rights Reserved 版权所有 复制必究 网站信息网络传播视听节目许可证0108263 京ICP备2024066071号-1京公网安备 11010502033664号