>>3917866 Watch the water.That looks like water, above and below.

>https://www.nasa.gov/feature/goddard/2018/nasa-keeps-watch-over-space-explosions

In biblical cosmology, the firmament is the structure above the atmosphere of Earth, conceived as a vast solid dome. According to the Genesis creation narrative, God created the firmament to separate the "waters above" the earth from the "waters below" the earth.