The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a diffuse nebula in the Milky Way situated south of Orion's Belt in the constellation of Orion, [b] and is known as the middle "star" in the "sword" of Orion. It is one of the brightest nebulae and is visible to the naked eye in the night sky with an apparent magnitude of 4.0.

2021年11月25日 · The Orion Nebula (Messier 42) is the nearest star-forming region to Earth. It is located in the Orion Constellation, just below Orion's Belt.

2024年9月10日 · Popularly called the Orion Nebula, this stellar nursery has been known to many different cultures throughout human history. The nebula is only 1,500 light-years away, making it the closest large star-forming region to Earth and giving it a …

2024年11月1日 · The Orion Nebula lies 1,300-1,500 light-years from Earth, making it one of the regions of star formation close to our planet. The nebula’s size and proximity to Earth make it an ideal subject for astronomical study and observation.

2025年1月22日 · Orion Nebula, (catalog numbers NGC 1976 and M 42), bright diffuse nebula, faintly visible to the unaided eye in the sword of the hunter’s figure in the constellation Orion. The nebula lies about 1,350 light-years from Earth and contains hundreds of very hot (O-type) young stars clustered about a nexus of four massive stars known as the Trapezium.

The Orion Nebula is one of the most famous deep-sky objects in astronomy and, at just 1,500 lightyears away, the closest major star-forming region to Earth. The nebula is well-known …

2023年11月29日 · Why is the Orion Nebula so special? There are several good reasons why the Orion Nebula is considered to be unique and significant to astronomers. The closest nebula to Earth. Messier 42 is relatively close to Earth, in the Orion constellation, at a distance of approximately 1,344 light-years or 400 parsecs.

2024年12月15日 · The Orion Nebula is one of the most familiar celestial objects, easily visible to the unaided eye below the 3 stars of Orion’s Belt. But it’s a vast stellar nursery, a place where new stars ...

2024年2月22日 · The M42 Orion Nebula is a diffuse nebula located in the constellation of Orion, approximately 1,344 light-years away from Earth. It is one of the brightest and most easily visible nebulae in the night sky, and it is a popular target for amateur astronomers and astrophotographers.

2013年8月21日 · The Orion Nebula lies at a distance of 1,344 light years (400 parsecs) from Earth, and can be found in the constellation Orion, to the south of Orion’s Belt, one of the best known asterisms in the night sky.