Peering into the Past

Dan Brubaker and a mishmash of know-nothings convene at the Dr Ralph L Buice, Jr Observatory, Atlanta A low, steady rumble vibrates through the air
and under my feet. It is the sound of a garage door closing, only this is no garage. The single curved wall that surrounds the room remains remarkably still. It
is the mechanical domed ceiling perched overhead
that is causing the ruckus, that is rotating with careful precision