There had been a vast explosion of power.

Then were we dazzled by some vast explosion behind us?

And in the distance, the rumble of vast explosions and unceasing machines.

Plainly something enormously powerful is going on at the galactic center, apparently driven by a vast explosion about a million years ago.

But evidently the first fury of the vast explosion was now abating.

A vast sustained explosion into the adjacent possible would occur.

Many have died already, in explosions so vast that I can imagine them no more than you.

A vast explosion nearby showered Roger with muddy water.

It is not unknown for a suicide to take the form of a vast nuclear explosion causing an entire disintegration of the individual.

When twentieth-century telescopes were turned upon the scene of this vast explosion, only a double star remained-and the nebula.