Space science
6 'quiet' galaxies suddenly become the brightest quasars in the universe
Astronomers discovered a mysterious phenomenon when six 'quiet' galaxies became the brightest quasars in the universe in just a few short months.
Seyfert Galaxy
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Articles about Seyfert Galaxy
2 published items.
Space science
Explore the monstrous Seyfert galaxy in space
The mass of this galaxy is 33 million solar masses. According to the study, the emission lines of Balmer and Fe II of this galaxy show that it is the nature of the NLS1…