🌌 What Is Dark Matter?
“Imagine a ghost you can’t see, hear, or touch — but you know it’s there because it moves things around.”
That’s dark matter — the invisible scaffolding of the universe.
👻 You Can’t See It… But It’s Everywhere
Dark matter is not made of atoms, so it:
- Doesn’t glow like stars ☀️
- Doesn’t reflect light like planets 🌍
- Doesn’t block light like clouds ☁️
Yet, scientists are 100% sure it exists. Why?
🚀 The Clues That Gave It Away
1. Galaxies Spin Too Fast
If only visible matter existed, galaxies would fall apart. But they don’t.
Why? There’s a gravitational glue—invisible matter holding them together.
2. Gravitational Lensing
Sometimes, light from distant galaxies bends in weird ways.
This only happens if there’s extra mass warping space — even though we can’t see it.
3. Cosmic Fingerprints
The afterglow of the Big Bang (called the CMB) shows patterns that match a universe full of hidden matter.
🧪 So What IS Dark Matter?
We don’t know exactly.
But it might be made of WIMPs (Weakly Interacting Massive Particles) or axions — exotic particles that don’t interact with light, only gravity.
You can think of dark matter as the invisible bones of the cosmos — the structure that holds galaxies together.
🧠 Why It’s Mind-Blowing
- There’s more of it than everything we can see!
→ About 27% of the universe is dark matter
→ Only 5% is normal matter (you, me, stars, planets)
→ The rest? That’s something even weirder: dark energy
🕵️♂️ The Universe’s Greatest Mystery
Despite knowing it shapes galaxies and the cosmos…
We have never seen a single dark matter particle. 😮
It’s the biggest cosmic detective story — and we’re still chasing the clues.
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