This long-exposure Hubble Space Telescope image of massive galaxy cluster Abell 2744 is the deepest ever made of any cluster of galaxies. It shows some of the faintest and youngest galaxies ever detected in space. Abell 2744, located in the constellation Sculptor, appears in the foreground of this image. It contains several hundred galaxies as they looked 3.5 billion years ago. The immense gravity in Abell 2744 acts as a gravitational lens to warp space and brighten and magnify images of nearly 3,000 distant background galaxies. The more distant galaxies appear as they did longer than 12 billion years ago, not long after the big bang. This image is part of an unprecedented long-distance view of the universe from an ambitious collaborative project among the NASA Great Observatories called The Frontier Fields. Over the next several years select patches of the sky will be photographed for the purpose of better understanding galaxy evolution. This visible-light and near-infrared composite image was taken with the Wide Field Camera 3.
요약하면 위 사진은 허블만원경이 성단 Abell 2744를 찍은건데요. 사진에 있는 은하중에 몇게는 지금까지 인간이 봐온애들중 가장 희미하고 어린 애들이레요. 사진앞쪽으로 보이는게 조각실자리 (별자리) 인데 몇백게의 35억년짜리 은하들로 구성되있고요.
이 성단이 엄청난 중력을 발휘해 공간을 휘게면서 성단 뒤쪽에있는 3000개의 은하들을 돋보기처럼 모와주면서 밝게 만들어줘요. 가장 멀리있는 애들은 120억년 정도 거리에 있다네요.
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