Mind-Bending Facts About Our Universe

The ocean's deepest point could swallow Mount Everest whole and still have over a mile of water

above it. That's the Mariana Trench, plunging nearly seven miles down

where the pressure would crush you instantly. Meanwhile in space, astronauts grow

up to two inches taller because there's no gravity compressing their spines. Back on Earth,

a single teaspoon of neutron star material would weigh about a billion tons,

enough to flatten an entire city. Your body contains enough iron to forge a three inch nail,

enough carbon to fill 900 pencils, and enough fat to make seven bars of soap.

The universe is so vast that light from some stars takes billions of years to reach us,