In astronomy and navigation, the celestial sphere is an imaginary sphere of arbitrarily large radius, concentric with Earth. All objects in the observer's sky can be thought of as projected upon the inside surface of the celestial sphere, as if it were the underside of a dome.

Firmament ,dher-to hold firmly ,support
Greek thronos "seat;"Latin firmus
Expanse "to spread out, unfold, expand," from ex "out"
Vault "arch, vaulting, vaulted roof or chamber,"Latin volutus "bowed, arched,"
Glass Ceiling
Glass, glæs "glass; a glass vessel," Old Norse gler "glass, looking from PIE root *ghel- (2) "to glass," to shine with derivatives denoting bright colors or materials.
Ceiling mid-14c., celynge, Latin caelum "heaven, sky" (see celestial).

"And a new day will dawn for those who stand long
And the forests will ( echo )with laughter"
Echo-G31 message 1Jo 3:11 For this is the message G31 that ye heard from the beginning, that we should love one another.
G6Ábel, ab'-el; of Hebrew origin (H1893); Abel, the son of Adam:—Abel
H1893 -Hebel-Breath
A-bel
Bel unit of power level in measuring sound, 1929, named for Scottish-born telephone pioneer Alexander Graham Bell (1847-1922). decibel

Heb 11:4 By faith Abel G6 offered unto God a more excellent sacrifice than Cain, by which he obtained witness that he was righteous, God testifying of his gifts: and by it he being dead yet speaketh.

Speaketh-G2980 to utter a voice or emit a sound,

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