The Most Terrifying Discoveries in the Universe
The most terrifying discoveries in the Universe—from the brightest flash ever seen by science to a black hole closer to Earth than you think. Eighteen real facts, not theories.
From invisible galaxies and particles traveling almost at the speed of light to a void in space hundreds of millions of light-years across—here's what's happening up there, right now.
In this video:
00:00 Introduction
00:22 Space Junk — Millions of Pieces of Debris Orbiting Earth
01:36 The "Oh My God" Particle — The Most Energetic Cosmic Ray Ever Recorded
02:55 Gaia BH1 — The Closest Black Hole to Earth
03:59 Zombie Stars — Stars That Explode Twice
05:14 Supernovae — Explosions Brighter Than an Entire Galaxy
06:27 The Miyake Event of 774 — A Solar Storm Brighter Than the Carrington Storm
07:39 Gamma-Ray Burst GRB 221009A (BOAT) — The Brightest Flash Ever Observed
08:48 Galaxy NGC 1052-DF2 — Light from Distant Stars Visible Through It
10:00 Dead Galaxies — Graveyards Without a Single New Star
11:07 Collision The Milky Way and Andromeda
12:18 Galactic Cannibalism – How Galaxies Absorb Others
13:24 Dark Flow – Hundreds of Thousands of Galaxies Moving in the Same Direction
14:36 The Bootes Void – A Void 330 Million Light-Years Across
15:40 The Size of the Visible Universe – 93 Billion Light-Years
16:51 Alien Megastructures – The Mystery of Tabby's Star
18:04 K2-18b – A Possible Sign of Life Beyond Earth
19:16 Time Distortions Near a Black Hole
20:25 Dark Matter and Dark Energy – 95% of the Invisible Universe
Some of these facts have been confirmed by observations in just recent years.
The gamma-ray burst GRB 221009A, known as BOAT (brightest of all time), was so powerful that it caused disturbances in Earth's ionosphere. Tree rings bear traces of the solar storm of 774 AD—the Miyake event—which was many times more powerful than any flare recorded by modern instruments. And the black hole Gaia BH1 is located only 1,600 light-years away—closer than any other known black hole.
Other discoveries include the "oh-my-god particle," whose speed is almost indistinguishable from the speed of light, the Boötes void, hundreds of millions of light-years wide, and the exoplanet K2-18b, where a controversial chemical signature of possible life was recently discovered.
Zombie stars explode twice, dead galaxies go tens of billions of years without producing a single new star, and the Milky Way and Andromeda will one day collide into a single enormous galaxy.
Sort ofExplained breaks down the strangest, scariest, and most amazing things in the Universe—simple, quick, and straightforward.
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