美国国家航空航天局的雨燕卫星，捕捉到了一个与我们临近的螺旋星系迄今为止最清晰的图像。
NASA’s Swift satellite has captured the best view of a neighboring spiral galaxy that we’ve seen yet.
上图：雨燕卫星拍摄的GRB 090423，图片由雨燕的紫外、可见光和X射线望远镜图像合成。
Above: GRB 090423 as seen by NASA's Swift satellite. The image is a composite of data from Swift's UV/Optical and X-Ray telescopes.
不过现在NASA的雨燕卫星在硬（高能）X射线的巡天新成果可靠地显示活动星系核与星系合并的紧密联系。
New results from a premier sky survey by NASA's Swift satellite at hard (energetic) X-ray energies now solidly show a strong association of AGN with merging galaxies, though.
去年五月到七月间，雨燕卫星共为距离我们最近的星系——来自仙女座的螺旋星系m 31，拍摄了330张紫外线图像。
Between May and July of last year, Swift took 330 ultraviolet images of our closest spiral neighbor, the galaxy M31 in the constellation Andromeda.
他们粗略整理了一半自2004年以来被NASA雨燕人造卫星所探测到的爆炸。
They make up roughly half of the burstsdetected by NASA's Swift satellite since its 2004 launch.
美国航空航天局“雨燕”号卫星捕捉到的伽马射线余晖，产生于9月16日伽马射线爆发过后。
NASA's Swift satellite picked up the X-ray afterglow of the September 16th gamma-ray burst.
这个γ射线爆由NASA的“雨燕”观测卫星于2009年四月首先观测到。
The gamma-ray burst was first detected by NASA's Swift satellite in April 2009.
他们粗略整理了一半自2004年以来被NASA雨燕人造卫星所探测到的爆炸。
They make up roughly half of the bursts detected by NASA's Swift satellite since its 2004 launch.
他们粗略整理了一半自2004年以来被NASA雨燕人造卫星所探测到的爆炸。
They make up roughly half of the bursts detected by NASA's Swift satellite since its 2004 launch.
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