The Andromeda Galaxy and The Hidden Stele (PGM IV.1115-66)

More about The Andromeda Galaxy and The Hidden Stele (PGM IV.1115-66)

Hail, Spirit who extends from earth which is in the middle of the cosmos unto the ends of the abyss, MEREMŌGGA ! --- The Hidden Stele (PGM IV.1115-66)

[ and Andromeda is much closer than the ends of the abyss, which physicists say exists beyond the membraned multiverses ]

Title : "The Andromeda Galaxy" ©2025 A.J. Jones.

This image ©2025 A.J. Jones. All rights reserved.

Accompanying text is ©2025 A.J. Jones. All rights reserved.

All rights reserved under international and Pan-American copyright conventions.

A.J. Jones hereby asserts his moral right to be identified as the creator of this image as well as all accompanying text.

-------

The bright, glowing region at the center of the Andromeda Galaxy (M31) is known as the Galactic Nucleus.

While it looks like a single, solid object from a distance, it is actually a incredibly dense "metropolis" of stars. If you were to zoom in using the Hubble Space Telescope, you would find that this "bright object" is far more complex than it appears:

1. The Nuclear Star Cluster

The glow comes from millions of stars packed into a very small space. In the center of Andromeda, stars are thousands of times more densely packed than they are in our part of the Milky Way. Most of these are older, cooler, yellowish-red stars, which gives the core its distinct warm hue in many photographs.

2. The "Double Nucleus" Illusion

One of Andromeda’s most famous quirks is that it appears to have **two centers**.

P1 (The Brighter Peak): This is the brightest spot you see. It is actually a lopsided disk of old stars.
P2 (The Dimmer Peak): This is the "true" center of the galaxy. It contains a disk of young, blue stars that are whipped around at incredible speeds by a hidden force.

3. The Supermassive Black Hole

Hidden at the exact center of that dim second peak (P2) is the "heart" of the galaxy : a supermassive black hole known as M31.

Mass : It is roughly 140 million times the mass of our Sun (much larger than the one at the center of our own Milky Way).

Visibility: You can’t see the black hole itself because it doesn't emit light. However, its gravity is what holds that entire bright "metropolis" of stars together, forcing them to orbit in the tight, bright cluster you see in the image.

Why does it look so much brighter than the rest?

It’s a matter of concentration. While the spiral arms of the galaxy are vast, the stars there are spread out. In the nucleus, the "population density" of stars is so high that their combined light merges into a single, brilliant glow that outshines everything else in the galaxy.