Closed and Open Universe Models.
P.I.R.A. #: 8C10.30
Illustrates: How a closed and an open Universe would look.
Description: A black ball and a green spool represent two theories of our Universe's shape.
Size: Closed universe: 22" dia.
Open: 16" h x 12" dia.
Notes: Ball can be drawn on with chalk if needed.
Hazard: None.
Condition: Good.
Instructor Comments