It is catalogued as Messier 33 or NGC 598. With the D 25 isophotal diameter of 18.74 kiloparsecs (61,100 light-years), the Triangulum Galaxy is the third-largest member of the Local Group of galaxies, behind the Andromeda Galaxy and the Milky Way.

最明亮的4個電離氫區被標示為ngc 588、ngc 592、ngc 595和ngc 604。 這些區域與 分子雲 相關聯，約擁有 (1.2–4) x 10 5 太陽質量。 這些區域中最亮的NGC 604可能在大約300萬年前經歷了一個不連續的恆星形成爆發 [ 41 ] 。

Triangulum Galaxy is a Spiral Galaxy located in the constellation of Triangulum in the northern hemisphere. Triangulum Galaxy's distance from Earth is 2,834,298.92 light years. Triangulum Galaxy is also known as M33 or Messier 33 when Charles Messier catalogued it in 18th - 19th Century France.

2014年3月25日 · The galaxy’s designation in the New General Catalogue is NGC 598. It lies at an approximate distance of 3 million light years from Earth and has a diameter of about 50,000 light years. Messier 33 is the third largest galaxy in the Local Group, which contains the Andromeda Galaxy (Messier 31), the Milky Way, and around 44 smaller member galaxies.

he Triangulum Galaxy (M33 or NGC 598) is one of the most fascinating galaxies in the night sky. Here's an overview: Type: Spiral galaxy. Distance from Earth: Approximately 2.73 million light-years. Diameter: Around 60,000 light-years, smaller than the Milky Way but still significant. Mass: About 10% of the Milky Way's mass.

2015年4月28日 · M33 is one of the most distant permanent deep sky objects visible to the naked eye. The galaxy lies at a distance between 2.38 and 3.07 million light years from Earth and has an apparent magnitude of 5.72. Its designation in the New General Catalogue is NGC 598. Messier 33 appears face-on when viewed from Earth and has a low surface brightness.

2024年11月5日 · 三角座星系，编号Messier 33/NGC 598，是一个位于北天三角座内的螺旋星系。 作为肉眼可见的最远天体，它距离地球约280万光年，是本星系群中第三大的星系，仅次于仙女座星系和银河系。

2024年2月22日 · The Triangulum Galaxy, also known as Messier 33 or NGC 598, is a stunning spiral galaxy located in the constellation Triangulum. As the third-largest galaxy in our Local Group, it holds a prominent place in the night sky and …

This image of the Triangulum Galaxy was taken at the National Science Foundation's 0.9-meter telescope on Kitt Peak with the NOAO Mosaic CCD camera. Also known as M33, the Triangulum Galaxy is part of the Local Group of galaxies, which includes the Andromeda Galaxy (M31) and our galaxy, the Milky Way.

2020年9月15日 · M33, also known as NGC 598, or more commonly known as either the Triangulum Galaxy, is located 2.73 Million Light Years away in the constellation Triangulum. It is the third-largest member of the local group of galaxies which includes M31 the Andromeda Galaxy, and our own Milky Way.