【▲ ハッブル宇宙望遠鏡で撮影された渦巻銀河「NGC 6951」（Credit: NASA's Hubble Space Telescope, ESA, A. Filippenko (University of California - Berkeley), R. Foley (University of California - Santa Cruz), C. Kilpatrick (Northwestern University), and D. Sand (University of Arizona); Processing: Gladys Kober (NASA/Catholic University of America)）】
