You may be uncomfortable with the idea that God uses a section of the firmament as a movable platform like a giant cosmic surfboard. We get it, this is a deep end and we went off it. It's what we do.
A Pavement of Sapphire Stone
Time Dilation Math
We can calculate a distance to the firmament with the question: If GPS clocks are faster by 38,640 ns per day at an orbital radius of 26,541 km, what's the orbital radius when the clocks are faster by 1,000 years?
October 26th
We use multiple lines of investigation including scripture, empirical observations, theoretical models, and physical evidence to deduce the presence of a sphere of crystal on the edge of space.
Firmament 5
Praise ye the LORD. Praise God in his sanctuary: praise him in the firmament of his power.
The Firmament Rabbit Trail
One of our favorite ways to study the Bible is to follow a doctrine through from the first time it's mentioned to the last. This is a great way to develop understanding of the doctrine in the broad narrative of scripture.