13 June 2024
Hubble sights a galaxy with 'forbidden' light

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Peering deep into the cosmos, the Hubble Space Telescope has captured the stunning visage of MCG-01-24-014, a luminous spiral galaxy sitting 275 million light-years away. More than just a cosmic beauty, this galaxy harbors a wildly energetic core—an active galactic nucleus—and is classified as an enigmatic Type-2 Seyfert galaxy, renowned for its ‘forbidden’ light emissions.

Alright, gather ’round everyone, we’ve got something pretty out-of-this-world to chat about today. You see, our good old friend, the Hubble Space Telescope, has caught sight of a galaxy that’s showing off some light that’s, well, let’s call it the classroom troublemaker of light. This galaxy is named MCG-01-24-014, and it’s not just any run-of-the-mill cosmic swirl. It’s hanging out a whopping 275 million light-years away, which is, you know, just a short hop, skip, and a jump across the universe.

 

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Now, this galaxy isn’t just striking a pose with its beautiful spiral arms; it’s got something super special at its core. Think of it like the powerhouse of a cell, but for a galaxy! This core is buzzing with energy and is known as an active galactic nucleus, or AGN for short. And our featured galaxy here is a Type-2 Seyfert galaxy. “Seyfert” might sound like a weird type of sea creature, but it’s actually a category for galaxies with particularly active and bright centers.

 

So, what’s the big deal about this ‘forbidden’ light? Well, when astronomers look at the light from a galaxy, they spread it out like a rainbow, and this is called its spectrum. Normally, the light gets split into all these colors because atoms are picky eaters; they only absorb and emit light at very specific snack spots – or wavelengths, as the science folks say. Now, this is all thanks to the rulebook of quantum physics, which is like the instruction manual for how all the teeny-tiny particles in the universe should behave.

 

However, this galaxy is giving off light at wavelengths that the quantum physics rulebook says should be super unlikely, practically ‘forbidden.’ It’s like if you threw a ball up in the air and it decided to hang out there instead of coming back down – not something you’d expect, right? But space is the ultimate rule breaker; it’s got areas so energetic that they make the improbable possible. It’s the cosmic equivalent of finding a secret level in your favorite video game.

 

What’s happening in the heart of MCG-01-24-014 is that these ‘forbidden’ wavelengths are making an appearance, and it’s thanks to the extreme conditions around that AGN. It’s like they’ve been given a special pass to come out and play when normally they’d be sitting on the sidelines.

 

So, this is just a little reminder that the universe has got some seriously wacky stuff going on, and every once in a while, it throws a curveball that even the sharpest minds have to tip their hats to. And remember, with science, just when you think you’ve got all the answers, the universe changes the questions! Keep looking up, folks, because the cosmos is full of surprises waiting for us to uncover them.

SOURCE: Hubble sights a galaxy with ‘forbidden’ light

https://phys.org/news/2023-12-hubble-sights-galaxy-forbidden.html

FAQ’s

1. What is an active galactic nucleus (AGN)?

An active galactic nucleus (AGN) is a highly energetic core found in certain galaxies. It is comparable to the powerhouse of a cell, but on a galactic scale. AGNs are known for their active and bright centers.

2. What is a Type-2 Seyfert galaxy?

A Type-2 Seyfert galaxy is a category of galaxies that have particularly active and bright centers. Despite its name, it is not a type of sea creature but a classification for galaxies based on their characteristics.

3. Why are the wavelengths of light emitted by MCG-01-24-014 considered ‘forbidden’?

MCG-01-24-014 is emitting light at wavelengths that are considered ‘forbidden’ because they go against the predictions of the quantum physics rulebook. These wavelengths should be highly unlikely, but the extreme conditions around the active galactic nucleus (AGN) in the galaxy allow them to appear.

4. How do astronomers study the light from galaxies?

Astronomers study the light from galaxies by spreading it out like a rainbow, creating what is known as a spectrum. By analyzing the spectrum, they can determine the specific wavelengths of light emitted and absorbed by the atoms in the galaxy.

5. What does this discovery tell us about the universe?

This discovery reminds us that the universe is full of surprises and unexpected phenomena. It demonstrates that even the most fundamental rules of physics can be challenged in extreme cosmic environments. It encourages us to keep exploring and uncovering the mysteries of the cosmos.



Related Wikipedia Articles

Topics: active galactic nucleus (AGN), Type-2 Seyfert galaxy, quantum physics

Active galactic nucleus
An active galactic nucleus (AGN) is a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum, with characteristics indicating that this luminosity is not produced by the stars. Such excess, non-stellar emissions have been observed in the radio, microwave, infrared,...
Read more: Active galactic nucleus

Seyfert galaxy
Seyfert galaxies are one of the two largest groups of active galaxies, along with quasar host galaxies. They have quasar-like nuclei (very luminous sources of electromagnetic radiation that are outside of our own galaxy) with very high surface brightnesses whose spectra reveal strong, high-ionisation emission lines, but unlike quasars, their...
Read more: Seyfert galaxy

Quantum mechanics
Quantum mechanics is a fundamental theory in physics that describes the behavior of nature at and below the scale of atoms.: 1.1  It is the foundation of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science. Quantum mechanics can describe many systems that classical...
Read more: Quantum mechanics

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