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The Milky Way and Andromeda are two of the most iconic and studied galaxies in the universe. Though they share similarities, they also have striking differences that make each one unique.

What They Have in Common
Spiral Shape: Both are majestic spiral galaxies, featuring sweeping arms of stars, gas, and dust wrapped around a central bulge.

Barred Structure: Each galaxy has a central bar-shaped core, a common feature in large spiral galaxies.

How They Differ
Size:
Andromeda spans ~220,000 light-years, making it nearly twice the size of the Milky Way, which measures about 100,000 light-years.

Location:
Milky Way is our cosmic home.
Andromeda lies 2.5 million light-years away from us.

Future Collision:
They're on a cosmic collision course! In about 4.5 billion years, the two galaxies are expected to merge, forming a new elliptical galaxy—sometimes dubbed Milkomeda.

Unique Traits
Andromeda: Hosts a larger entourage of satellite galaxies, including dozens of dwarfs in orbit.

Milky Way: Features a richer, more dynamic structure with a pronounced bar and vivid, active spiral arms.

Together, these galactic giants help scientists unravel the mysteries of how galaxies form, evolve, and interact across billions of years.

Guardians Of the Galaxy Sam Raimi Spider-Man

You’re not just looking at a galaxy… you're looking through a cosmic illusion.

This is a perfect Einstein Ring—captured by the James Webb Space Telescope, and it lies 12 billion light-years away at the edge of the observable universe.

What makes it mind-blowing?
You're seeing light that left this galaxy when the universe was just 1.4 billion years old—twisted by gravity into a flawless circle.

This isn’t just pretty—it’s physics bending light itself.
The massive galaxy in front acted like a cosmic magnifying glass, warping space and turning background starlight into this glowing halo.
That's gravitational lensing, and it’s pure Einstein.

But here's the twist:
JWST didn’t just take a pretty picture—it spotted carbon monoxide in the ring, a sign that this ancient galaxy was already making stars like crazy, just like galaxies today.

A ring of fire from the early universe...
A glimpse into galactic evolution…
And a reminder that sometimes, the universe really does bend to show us something extraordinary.

#EinsteinRing #JamesWebb #SpaceWonder #SPT0418 #GravitationalLensing #Astrophysics #NASA #JWST

A mind-bending discovery from the James Webb Space Telescope (JWST) is shaking the foundations of modern cosmology—suggesting that our universe may have been born inside a black hole.

The Clue: A Cosmic Rotation Imbalance
While studying early galaxies through the JWST Advanced Deep Extragalactic Survey (JADES), astronomers found a strange pattern:
Out of 263 ancient galaxies observed, 66% spin clockwise, and only 34% spin counterclockwise.

In a universe with no preferred direction, we’d expect a 50-50 split. This unexpected bias has scientists thinking: could this be a leftover imprint from the very birth of the universe?

The Theory: A Universe Born from a Black Hole
This observation lines up with an intriguing idea called Schwarzschild cosmology, which proposes:

We Exist Inside a Black Hole:
Our universe could lie within the event horizon of a massive black hole in another, “parent” universe.

Black Holes Create Universes:
In physicist Nikodem Poplawski’s torsion theory, matter doesn’t collapse into a singularity—it gets spun and twisted by extreme gravity, forming an entirely new universe.

The Big Bang Wasn’t the Beginning—It Was a Bounce:
The Big Bang could have been matter rebounding from collapse inside a black hole. The spin of that black hole may have left its fingerprint on the rotation of galaxies in our universe—explaining the JWST’s puzzling spin imbalance.

Skepticism and Alternate Views
Not everyone is convinced. Some researchers suggest the anomaly might be caused by the Milky Way’s own spin influencing JWST’s readings. If that’s true, it may still offer key insights:

We may need to rethink how we measure the cosmos
It might help address big questions like the Hubble tension or the existence of unexpectedly mature galaxies in the early universe

If verified, this could change everything—not only about how we think black holes work, but about how our own universe came to be.

RESEARCH PAPER
Lior Shamir, “The distribution of galaxy rotation in JWST Advanced Deep Extragalactic Survey”, MNRAS (2025)