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- 우주 이야기 1636 - 황소눈 은하의 고리는 사실 암흑물질 때문에 생겼다. (The Bullseye galaxy is surrounded by nine concentric rings, far more than any other galaxy ever discovered Credit: NASA, ESA, I.
- [우주과학] 안드로메다 은하, 그리고 모래알_spacetelescope www.spacetelescope.org/images/heic1502a/zoomable/ 이미지 크기 _ 4.3 GB (모바일 주의) This image, captured with the NASA /ESA Hubble Space Telescope, is the largest and sharpest image ever taken of the Andromeda galaxy — otherwise
- [영진전문대 컴퓨터정보 웹데이터베이스] NASA: Satellite pieces to hit Earth in a week NASA has been watching the 6-ton satellite closely. NASA scientists have calculated the satellite will break into 26 pieces as it gets closer to Earth.
