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The Galactic Nucleus is the 31st Interstellar Object and the 5th Milky Way Galaxy obtained in The Beyond Bubble Universe, which can generate Stardust. (Unlocked at Rank 26)
In-Game Description[]
"Sagittarius A, the nucleus of the bulge, churns with jam-packed clusters of old red giants, dotted with young supergiant and Wolf-Rayet stars. Those new stars are mystifying. Savage tidal forces, caused by an overwhelming gravitational pull, should prevent their birth."
Traits[]
Common[]
- Supernova Remnant (Speed):
"Sag A East is an expansive supernova remnant just 6 light years from the gravitational core. The star’s implosion—less than 100,000 years ago—was 75 times more energic than normal. Perhaps it drifted so close to the heart that gravity squeezed it to a freakish degree."
- Circumnuclear Disk (Payout):
"The CND is a ring of ionized hydrogen in a region called Sag A West. It looks like a three-arm spiral from Earth, but it’s a torus—a donut shape. Supercharged molecules zoom around it like atomic race cars, while clouds of gas and dust drop into the dark hole."
Rare[]
- Milky Way (Payout):
"The Milky Way is a barred spiral galaxy that's rotating while speeding through space, like a hurricane crossing a dark ocean. A dense nucleus is embedded in a thin disk of gas and stars, all of which is encased in a massive sphere, or halo, of sparse stars."
Epic[]
- Cosmology (Speed):
"The scientific study of the universe asks the very biggest questions. How did it form? What came before? How does it work? Is it infinite? Will it die? All the pieces we observe—comets, moons, planets, stars, galaxies, nebulae, and even voids—provide some answers."
- Dark Matter (Payout):
"Dark matter acts like a superhero. It’s everywhere in space and yet invisible. Its gravity distorts huge objects that we can see. It can even buttress a dwarf galaxy against annihilation by a giant one. The duo of dark matter and dark energy make up 95% of the universe."
- Dark Energy (Discount):
"Little is known about dark energy, except that it’s repulsive. Opposing gravity, this strange force causes matter to scatter rather than attract, pushing our universe to expand faster and faster. Dark energy makes up 68% of the universe’s mass-energy density."
Constellations[]
- Eridanus (1.5x Speed):
"Eridanus, The River, is the longest constellation in the sky. It starts near Rigel and twists and turns all the way to its brightest star, Achernar ("River's End" in Arabic). It was named after Eridu, an early Sumerian city in the marshes of what is now southern Iraq."
- Hercules (2x Speed):
"The Roman warrior-god who defeated the Nemean lion (Leo), the Crab (Cancer), and Hydra, too, has a broad, squarish chest made of four stars, called the Keystone. Mighty Hercules is kneeling over Draco, the dragon he slew."
Achievements[]
- eROSITA Bubbles (Rank 3):
"Engulfing the giant Fermi bubbles above and below the galactic disk is an even bigger, more energetic pair. The eROSITA bubbles, named after the X-ray telescope that spotted them, are shock waves from a powerful but mysterious release of energy in the core."
- Gamma-Ray Constellations (Rank 6):
"The Fermi Space Telescope peered at 3,000 gamma-ray sources to map out galactic black holes, blazars (monster black holes), pulsars, and other objects. For fun, the team turned them into constellations: Tardis, Enterprise, Godzilla, Hulk, Mt. Fuji, and Einstein."
