三角座星系

本星系群中第三大的星系。

图片挂在该距离处，朝向地球，大小与它在天空中一样；看不出天体有多深，所以它是平的。

拍摄者

数字化巡天

图片跨度

约 76,000 ly

距太阳

273万 光年

赤经 / 赤纬

23.46° / 30.66°

来源

Digitized Sky Survey 2 (STScI/AURA, Palomar/Caltech, UKSTU/AAO), via CDS hips2fits

The Triangulum Galaxy is a spiral galaxy 2.878 million light-years (ly) from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598. With the D25 isophotal diameter of 18.74 kiloparsecs (61,120 light-years), the Triangulum Galaxy is the third-largest member of the Local Group of galaxies, behind the Andromeda Galaxy and the Milky Way.

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