1.   Both said they heard a boom, then were struck in the head and knocked off their feet.

2.   Alisha had not been at work long when she heard the big boom.

3.   But he can hear the booms and feel the earth shudder, and he has trouble sleeping.

4.   Goodrich said that, because Garcia heard the boom shortly after seeing the explosion, he believes the bolide was closer than most.

5.   Hearing the boom of the break, the collisions coming like sporadic cannon fire, was almost too much to take.

6.   Pilots do not hear booms, because the sound falls behind the jet.

7.   Residents of the border towns already can hear the booms from NATO bombs on the Serb side of the border.

8.   We hear the boom and must imagine the result.

9.   A loud boom could be heard all over town.

10.   About five minutes later, two loud booms were heard, and Serb anti-aircraft batteries nearby began firing.