A phenomena observed in M74, where ultraviolet radiation is fluctuating,

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  • Опубліковано 18 жов 2024
  • Messier 74, also known as the Phantom Galaxy, is a large spiral galaxy located in the constellation Pisces. It is about 32 million light-years away from Earth. The galaxy contains two clearly defined spiral arms and is therefore used as an archetypal example of a grand design spiral galaxy. The galaxy's low surface brightness makes it the most difficult Messier object for amateur astronomers to observe. Its relatively large angular (that is, apparent) size and the galaxy's face-on orientation make it an ideal object for professional astronomers who want to study spiral arm structure and spiral density waves.
    Here are some key details about Messier 74:
    Type: Grand design spiral galaxy
    Distance: 32 million light-years
    Constellation: Pisces
    Nickname: Phantom Galaxy
    Size: 95,000 light-years in diameter
    Estimated number of stars: 100 billion
    Messier 74 was discovered in 1780 by the French astronomer Pierre Méchain. It was later added to Charles Messier's famous catalog of deep-sky objects. The galaxy is a popular target for study by astronomers because it is relatively nearby and easy to observe.
    Messier 74 is thought to be home to a supermassive black hole at its center. The black hole is estimated to be millions of times more massive than the sun. The galaxy is also home to a number of star-forming regions. These regions are where new stars are born from clouds of gas and dust.
    Image credits: Mission Data XMM Newton. Copyright: 2023 the contestant.
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