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]

2024年8月25日 · Discovered by Charles Messier in 1773, M51 is located 31 million light-years from Earth in the constellation Canes Venatici. It has an apparent magnitude of 8.4 and can be spotted with a small telescope most easily during May.

The Whirlpool Galaxy is estimated to be about 400-million years old. It was observed and cataloged by famous astronomer Charles Messier in 1773 as Messier 51 (M51). It eventually earned the nickname “The Whirlpool” because it resembles a vortex in the water.

2015年6月3日 · Messier 51 (M51), better known as the Whirlpool Galaxy, is a famous grand-design spiral galaxy located in the constellation Canes Venatici. The Whirlpool Galaxy has an apparent magnitude of 8.4 and lies at an approximate distance of 23 million light years from Earth.

2014年1月5日 · The Whirlpool Galaxy, Messier 51, is a grand design spiral galaxy interacting with the smaller dwarf galaxy NGC 5195 in the constellation Canes Venatici.

2017年7月24日 · Located between 19 and 27 million light-years from the Milky Way, this deep sky object was the very first to be classified as a spiral galaxy. It is also one of the best known galaxies among...

Located approximately 25 million light-years away in the constellation Canes Venatici (the Hunting Dogs), the Whirlpool's beautiful face-on view and closeness to Earth allow astronomers to study a classic spiral galaxy's structure and star-forming processes. NASA, ESA, S. Beckwith (STScI), and The Hubble Heritage Team (STScI / AURA)

2019年2月25日 · The Whirlpool Galaxy, also known as Messier 51, is one of the nearest and best examples of a grand design spiral galaxy. Located about 25 million light-years away, the face-on galaxy exposes the full details of its swirling structures of stars, gas, and dust.

One of the most famous and recognizable galaxies in our night sky, the Whirlpool Galaxy or Messier 51 (M51), has long been a focus for astronomers worldwide. Located within the Canes Venatici constellation, M51 showcases an extraordinary example of a grand-design spiral galaxy.

The Whirlpool Galaxy, also known as Messier 51 or M51, is a majestic spiral galaxy located in the constellation Canes Venatici. It is famous for its graceful, winding arms that resemble a grand spiral staircase sweeping through space.