真怕了！NASA又对中国人下禁令

Core Viewpoint - NASA has implemented restrictions on Chinese nationals holding U.S. visas from participating in its projects, citing security concerns amid rising tensions regarding space exploration competition with China [1][3][5]. Group 1: NASA's Restrictions - NASA confirmed that Chinese nationals with U.S. visas are now barred from accessing its facilities, materials, and networks, as part of "internal measures" to ensure the safety of its operations [1][6]. - This decision follows a history of limited engagement with Chinese nationals, who previously could participate as contractors or researchers [1][3]. Group 2: U.S.-China Space Competition - The U.S. has historically excluded China from collaborative space projects, notably through the "Wolf Amendment," which prohibits NASA from engaging in joint research activities with China [3][4]. - Recent discussions among U.S. politicians highlight a growing anxiety over China's advancements in space exploration, with calls to accelerate U.S. lunar missions to outpace China [5][6]. Group 3: China's Space Progress - China's lunar exploration efforts have been characterized by steady progress, with plans for manned lunar missions by 2030, contrasting with the perceived disarray in U.S. space policy [8][9]. - Chinese officials emphasize a commitment to peaceful space exploration and international cooperation, countering U.S. narratives of a "space threat" from China [9].