Steel roof structure in a spherical shell form, spanning plan dimensions and with two planar faces at each side overall forms a shuttle like geometry.
32.
The region of the plane between two concentric circles is an annulus, and analogously the region of space between two concentric spheres is a spherical shell.
33.
Or maybe it is easier to understand the electrostatic equivalent : a spherical shell of electric charge produces zero electric field in its entire interior cavity.
34.
Within Neptune's interior, a spherical shell of water sloshes around a solid core, throwing the planet's magnetic field off 47 degrees from its axis of rotation.
35.
From back to front : spherical shell ( red ), solid sphere ( orange ), cylindrical ring ( green ) and solid cylinder ( blue ).
36.
Later, as the preponderance of atoms at the core becomes helium, stars like the Sun begin to fuse hydrogen along a spherical shell surrounding the core.
37.
As an example, consider a charged spherical shell " S " of negligible thickness, with a uniformly distributed charge " Q " and radius " R ".
38.
The fluid bearings are pads with holes through which pressurized inert gas ( such as Helium ) or oil press against the spherical shell of the platform.
39.
These new field pieces used cylindrical projectiles that, while smaller in caliber than the spherical shells of smoothbore field howitzers, could carry a comparable charge of gunpowder.
40.
In your example, because you said the spherical shell has " almost zero thickness ", each point in the shell needs three co-ordinates to determine its location.
