NASA的哈勃望远镜用“星系玫瑰”庆祝21周年

To celebrate the 21st anniversary of the Hubble Space Telescope’s deployment into space, astronomers at the Space Telescope Science Institute in Baltimore, Md., pointed Hubble’s eye at an especially photogenic pair of interacting galaxies called Arp 273. The larger of the spiral galaxies, known as UGC 1810, has a disk that is distorted into a rose-like shape by the gravitational tidal pull of the companion galaxy below it, known as UGC 1813. This image is a composite of Hubble Wide Field Camera 3 data taken on December 17, 2010, with three separate filters that allow a broad range of wavelengths covering the ultraviolet, blue, and red portions of the spectrum.

为了庆祝哈勃太空望远镜进入太空21周年，位于马里兰州巴尔的摩的太空望远镜科学研究所的天文学家将哈勃望远镜对准了一对特别上镜的相互作用星系——Arp 273。较大的螺旋星系UGC 1810，其圆盘在其下方伴星系UGC 1813的引力潮汐作用下被扭曲成玫瑰状。这张照片是2010年12月17日拍摄的哈勃宽视场相机3号数据的合成图，有三个独立的滤光片，可以覆盖光谱的紫外线、蓝色和红色部分。