Wiktionary英語版

出典：Wiktionary

Triangulum Galaxy

出典:『Wiktionary』 (2025/11/15 01:00 UTC 版)

語源

From Triangulum, a constellation.

固有名詞

Triangulum Galaxy

  1. (astronomy) A relatively nearby spiral galaxy in the Local Group, together with the Milky Way galaxy. It is at a distance of approximately 2.6 million light years from Earth, in the direction of the constellation Triangulum, and is also known as M33 and NGC 598.

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ウィキペディア英語版

出典：Wikipedia

Triangulum Galaxy

出典:『Wikipedia』 (2011/07/23 17:04 UTC 版)

英語による解説

ウィキペディア英語版からの引用
引用

The Triangulum Galaxy is a spiral galaxy approximately 3 million light years (ly) from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598, and is sometimes informally referred to as the Pinwheel Galaxy, a nickname it shares with Messier 101. The Triangulum Galaxy is the third-largest member of the Local Group of galaxies, which includes the Milky Way Galaxy, the Andromeda Galaxy and about 30 other smaller galaxies. It is one of the most distant permanent objects that can be viewed with the naked eye.

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