2024年8月25日 · The Whirlpool Galaxy, M51, is a spiral galaxy located 31 million light-years away. It highlights the attributes of a typical spiral galaxy, including graceful, curving arms, …

2023年8月29日 · M51 — also known as NGC 5194 — lies about 27 million light-years away from Earth in the constellation Canes Venatici, and is trapped in a tumultuous relationship with its …

2024年2月22日 · The Whirlpool Galaxy M51 (NGC 5194) The Whirlpool Galaxy, also known as M51 or NGC 5194, is a stunning spiral galaxy located approximately 23 million light-years …

2024年12月14日 · Some 31 million light-years distant, within the boundaries of the well-trained constellation Canes Venatici, M51 looks faint and fuzzy to the eye in direct telescopic views. …

M51，就是在20世纪50年代抗美援朝战争期间，美国大兵穿的军装统称。 由于其推出年份为1951年，故而得名。 由于战争时期天寒地冻，保暖成为了美国大兵的首要需求，所以美军着 …

2014年4月30日 · M51 is a spiral galaxy, about 30 million light years away, that is in the process of merging with a smaller galaxy seen to its upper left. This image is part of a “quartet of …

2021年10月21日 · We present the discovery of an exceptional dimming event in a cool supergiant star in the Local Volume spiral M51. The star, dubbed M51-DS1, was found as part of a …

Samsung Galaxy M51: 10 cool things for your phone! (tips and tricks) With this video, I want to show you 10 tips and tricks for the Samsung Galaxy M51. May there is something new for...

2004年11月5日 · This visible light view of the spiral galaxy M51 comes from the Kitt Peak National Observatory 2.1m telescope, and measures 9.9 by 13.7 arcminutes (north up). A four-color …