Not in a scary way—but in a carbonated way. Deep underground, the crust holds vast reservoirs of carbon dioxide, methane, and even helium. Helium balloons? That gas is trapped in the crust for billions of years. Every party balloon is a tiny, sad escapee from the Earth’s basement.
Earth's Crust Has Many Rock Layers | Grade 4-5 Science Passage
Oh, and there’s flammable ice called methane hydrates. It’s ice that burns. You can literally set a snowball on fire. The crust is full of magic tricks.
Diamonds in the Sky… and Under Your Feet
You know what else is on the crust? Extraterrestrial visitors. Meteorites fall all the time, and the crust keeps them. Some are chunks of Mars, others are bits of asteroids. One famous one from Antarctica contained organic compounds—the building blocks of life.
So technically, there’s a little bit of outer space sitting in a museum that once rained down on the crust. It’s like the Earth collects souvenirs from the universe.
