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NASA罗曼太空望远镜发射，展开深空巡天任务
NASA的南希·格雷斯·罗曼太空望远镜搭乘SpaceX重型猎鹰火箭从肯尼迪航天中心发射升空，开始为期约一个月的旅程，前往地球轨道之外一个引力稳定的点，届时它将以比哈勃太空望远镜快约一千倍的速度巡视宇宙。
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NASA的南希·格雷斯·罗曼太空望远镜于8月30日从佛罗里达州肯尼迪航天中心搭乘SpaceX重型猎鹰火箭发射升空，开始为期约一个月的旅程，前往距地球约160万公里的日地L2拉格朗日点。待其于9月下旬进入围绕L2的轨道后，望远镜将经历为期90天的调试阶段，随后于2027年初传回首批科学图像。
罗曼望远镜的设计巡天速度约为哈勃太空望远镜的一千倍，拍摄的广域图像将使其每天收集约1.4太字节的数据。其主要科学目标包括探究暗能量和暗物质的本质，以及对太阳系以外的行星系统进行广泛普查。天文学家称，这台望远镜将哈勃级别的图像分辨率与更宽广的视场结合在一起，有望绘制出有史以来规模最大、细节最丰富的宇宙地图之一。
Key facts
- NASA's Roman Space Telescope launched August 30, 2026 on a SpaceX Falcon Heavy from Kennedy Space Center
- It is traveling to the Sun-Earth L2 Lagrange point, about a million miles from Earth, on a roughly month-long journey
- After a 90-day commissioning phase, first science images are expected in early 2027
- Roman will survey the sky about 1,000 times faster than Hubble, gathering 1.4 terabytes of data per day, to study dark energy, dark matter and exoplanets
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