asteroid

It takes the asteroid only two seconds to pass through the thin layer between space and the ground to make contact.

Today most planets and asteroids have settled into safe and predictable orbits.

Be it the Moon, or asteroids, or even the entirety of the planet Mercury.

The night sky could be filled with comets and asteroids raining down on the inner solar system.

It's been a normal day, when suddenly the world explodes and an asteroid rips the sky open.

Earth would become a hot clump of strange matter, the size of an asteroid.

Humanity is currently sitting on the third level of this scale, where a global disaster like a large asteroid impact could end us.