天鹅座XL货运飞船11月29日升空：为空间站送去抗癌药物递送等新实验
美国国家航空航天局（NASA）宣布，诺斯罗普·格鲁曼公司的「天鹅座XL」货运飞船定于11月29日不早于美东时间上午10时49分，在美国佛罗里达州卡纳维拉尔角太空军基地40号航天发射场，搭乘SpaceX「猎鹰9号」火箭升空，为国际空间站送去科学实验设备、补给与物资。这项任务编号为CRS-25，是该公司为NASA执行的第25次空间站货运飞船任务。
飞船抵达后，空间站上的宇航员将操纵「加拿大臂2号」机械臂捕获天鹅座飞船，并将其安装到「团结号」节点舱对地球一侧的对接口卸货。飞船将在空间站停靠至2027年5月。
这一趟「快递」里装了不少分量十足的实验：包括用于在太空制造DNA启发微粒的硬件，这类微粒有望改进癌症与骨关节炎的药物递送方式；一项可预测癌症患者肿瘤转移风险、从而指导治疗的研究；人类肌肉细胞与药物，用于测试对抗太空飞行与地球衰老相关肌肉流失的疗法；以及一款可提升未来任务乘员安全的小型辐射传感器。
NASA表示，每一次商业补给任务都把生物与生物技术、地球与空间科学、物理科学和技术演示等领域的研究送上这座已经连续26年有人驻守的轨道实验室。媒体认证申请已经开放，美国公民的申请截止时间为11月12日晚11时59分（美东时间）。（来源：美国国家航空航天局）
Cygnus XL Cargo Ship to Launch Nov. 29 With Cancer Drug-Delivery Experiments for the Space Station
NASA announced that Northrop Grumman's Cygnus XL cargo spacecraft is scheduled to launch no earlier than 10:49 a.m. EST on Sunday, Nov. 29, atop a SpaceX Falcon 9 rocket from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida, delivering science investigations, supplies, and equipment to the International Space Station. The mission, known as CRS-25, is the company's 25th resupply flight to the station under contract with NASA.
Following launch, astronauts aboard the station will use the Canadarm2 robotic arm to capture Cygnus and install it to the Earth-facing port of the Unity module for cargo unloading. The spacecraft will remain at the station until May 2027.
In addition to food, supplies, and equipment for the crew, Cygnus will deliver several new experiments, including hardware to manufacture tiny DNA-inspired particles in space that could improve drug delivery for cancer and osteoarthritis, a study that could guide cancer treatments by predicting whether a patient's cancer is likely to spread, human muscle cells and medications to test therapeutics for muscle loss associated with spaceflight and aging on Earth, and a compact radiation sensor designed to improve crew safety on future missions.
Each resupply mission delivers investigations in biology and biotechnology, Earth and space science, physical sciences, and technology development to the orbital laboratory, where people have lived and worked continuously for 26 years. Media accreditation for the launch is now open, with applications from U.S. citizens due by 11:59 p.m. EST on Thursday, Nov. 12. (Source: NASA)
来源：美国国家航空航天局
发布：GSM·美国（发布链接）
图片来源：图：国际空间站。美国国家航空航天局（NASA）。 / Photo: The International Space Station. NASA.
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