The upheaval comes as NASA has struggled to fuel the massive Space Launch System rocket for the upcoming Artemis II lunar mission, and Isaacman has sought to revitalize an agency that has moved at a glacial pace on its deep space programs. There is ever-increasing concern that, absent a shake-up, China's rising space program will land humans on the Moon before NASA can return there this decade with Artemis.
09:28, 28 февраля 2026Мир
。业内人士推荐im钱包官方下载作为进阶阅读
4. 信息不足时先列“缺失信息”，禁止臆造
每年春节，我和两位00后表妹都会回到川东一个湿漉漉的乡镇，彻夜长谈。我们把过去一年的重要经历和家庭秘辛逐一摊开，交换彼此的困惑与判断。