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
Riding the Heavens
God and the heavenly host may visit the Earth on a section of the firmament, described in Exodus 24:10 as a paved work of sapphire stone. This gives us a Biblical basis for the Silver Surfer.
December 26th
The enormous crowd may be more familiar to us as a great multitude, and the terrible persecution is where we find the phrase "great tribulation." They stand before the throne on the sea of glass.
The Star of Bethlehem
As far-fetched as it may seem that the angelic host visited Bethlehem on the night of Jesus birth riding on a section of the brightly shining crystalline firmament, we shouldn't be surprised.
September 24th
It's possible that a section of the Firmament, a sphere of rigid crystal on the edge of space, may have been used to transport the host of Heaven to Earth for the birth of Jesus.