We can't even be sure they're here to destroy the Earth.

That war destroyed the Earth and almost every living thing upon it.

But in its present state, turning off the system would destroy the Earth.

"It would take much more energy to destroy the Earth."

Yet adults go to the point where they want to destroy the Earth!

"I am coming to you with a proposal to destroy Earth."

If you destroy the Earth, your spacecraft will no longer be pulled toward it.

We've won this battle and we're making final preparations to destroy the Earth.

This will destroy the Earth long before spiraling in can matter.

How can he admit his child will destroy the Earth?