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8C 10.10 - One Dimensional Expanding Universe
Demonstrates:
The expansion of a 1-D universe.
Description:
Seven "planets" are attached to rubber tubing that can be stretched out.
8C 10.10a - Three Dimensional Expanding Universe
Demonstrates:
3 dimensional expansion from a central point
Description:
Hoberman sphere expanding and contracting
8C 10.30 - Closed and Open Universe Models
Demonstrates:
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.