The image captured by the Hubble Space Telescope reveals a bright spiral galaxy known as MCG-01-24-014. This galaxy is located approximately 275 million light-years away from Earth and possesses an exceptionally energetic core called an Active Galactic Nucleus (AGN). It is classified as a Seyfert type 2 galaxy.
Seyfert galaxies are one of the most common subclasses of AGNs, similar to quasars. Seyfert galaxies are often relatively close in proximity, and their AGN cores do not overshadow their hosts. On the other hand, quasars are distant AGNs with immense brightness that dominate their host galaxies.
In the case of Seyfert galaxies, there are different classifications, with the two most important being type 1 and type 2. Astronomers differentiate them based on their spectra, which is the pattern of light emitted by these galaxies. The spectral lines of type 2 Seyfert galaxies are associated with specific “forbidden” emission lines. This is due to quantum physics, where certain atoms and molecules absorb and emit light at very specific wavelengths according to quantum principles.
In the cosmic space near the energetic core of the galaxy, these “forbidden” emission lines begin to appear, even though they should be impossible according to the rules of quantum physics. This observation challenges our current knowledge of quantum physics and requires further investigation.
Frequently Asked Questions (FAQ):
What is an Active Galactic Nucleus (AGN)?
An AGN is an area at the center of a galaxy where intense light and energy emissions occur. This is typically caused by the presence of a supermassive black hole that “feeds” on the surrounding matter.
How do Seyfert galaxies differ from quasars?
Seyfert galaxies are nearby, well-identified spiral galaxies with active nuclei. Quasars are very distant AGNs with incredible brightness that can overshadow their host galaxies.
Source:
NASA – https://www.nasa.gov/
The source of the article is from the blog mgz.com.tw