Post by charlie on Sept 13, 2022 13:24:30 GMT -7
Hi.
Perhaps most might cite the Zeiss lensesd "spiky" projector sphere (now in the Deutches Museum in Munich) as the first optical planetarium...but just to be a bit annoying:
How do we classify its predecessor, I.e. the orrey style model wherein each planet was mounted on a heliocentric circular track on the ceiling of a largish room?
This was, of sort, an optical planetarium inasmuch as it had an optical sight mounted atop a ladder, so that a single visitor could climb the ladder and observe a planet (or planets) and moon to see how they would look from the observers POV.
Perhaps most might cite the Zeiss lensesd "spiky" projector sphere (now in the Deutches Museum in Munich) as the first optical planetarium...but just to be a bit annoying:
How do we classify its predecessor, I.e. the orrey style model wherein each planet was mounted on a heliocentric circular track on the ceiling of a largish room?
This was, of sort, an optical planetarium inasmuch as it had an optical sight mounted atop a ladder, so that a single visitor could climb the ladder and observe a planet (or planets) and moon to see how they would look from the observers POV.
