vs. Metaphorical Meteorite

For all I knew, right at this very moment, she could have wandered into the path of another death sentence. What would it be this time? A meteorite smashing through her roof and crushing her in her bed?
...
The only way I could be *positive* she was safe was if there was someone in place to catch the meteorite before it could touch her. The jittery high swept through me again when I realized I was going to find the girl.
...
I listened, and picked out the sound of two people breathing inside the house, two even heartbeats. So all must be well. I leaned against the trunk of a young hemlock and settled in to wait for stray meteorites.