Whirlpool Galaxy - Wikipedia
The Whirlpool Galaxy, also known as Messier 51a (M51a) or NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus. [6][7][8] It lies in the constellation Canes Venatici, and was the first galaxy to be classified as a spiral galaxy. [9]
Messier 51 (The Whirlpool Galaxy) - NASA Science
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, pink star-forming regions, and brilliant blue strands of star clusters.
渦狀星系 - 维基百科，自由的百科全书
渦狀星系（Whirlpool Galaxy），又叫做M51或是NGC 5194，位在天空北方的獵犬座（Canes Venaciti），長度約有65000光年，距離地球2300萬光年。
涡状星系 - 维基百科，自由的百科全书
2023年12月13日 · 涡状星系（Whirlpool Galaxy），又叫做M51或是NGC 5194，位在天空北方的猎犬座（Canes Venaciti），长度约有65000光年，距离地球2300万光年。
M51 Group - Wikipedia
The M51 Group is a group of galaxies located in Canes Venatici. The group is named after the brightest galaxy in the group, the Whirlpool Galaxy (M51A). Other notable members include the companion galaxy to the Whirlpool Galaxy ( M51B ) and the Sunflower Galaxy (M63).
Spiral Galaxy M51 - NASA
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.
APOD: 2021 September 2 - M51: The Whirlpool Galaxy
The pair are about 31 million light-years distant and officially lie within the angular boundaries of the small constellation Canes Venatici. Though M51 looks faint and fuzzy to the eye, deep images like this one reveal its striking colors and galactic tidal debris.
M51星系群 - 维基百科，自由的百科全书
m51星系群是一個位在天龍座的星系群，其名稱就是由最亮的成員渦狀星系得名(渦狀星系就是m51)，另外還有其他成員包括ngc 5195、向日葵星系等等。
Hubble Messier 51 (M51) - Science@NASA
Hubble Messier 51 (M51) The Whirlpool Galaxy is a spiral galaxy located 31 million light-years away. Also known as M51, it highlights the attributes of a typical spiral galaxy, including graceful, curving arms, pink star-forming regions, and brilliant blue strands of star clusters.
Galaxies Over Time - NASA Science
Determine how galaxies evolved from their formation up to the present time. Visible light Hubble data combined with infrared data from Spitzer, went into creating this stunning image of M51, the Whirlpool galaxy. M51, as you can see, is actually two …