7D20.10 • Expansion of the Universe
Photo of the Demonstration at the University of Texas at Austin.
Concepts Conveyed:
- As the Universe expands, all points get further and further away from each other.
- The further two points are away from each other, the faster they move away from each other.
Instruction/ Notes
- Make sure that the black marks on the balloon are visible. (reliable if needed).
- Take out the the Balloon pump so the professor can expand the weather balloon.
- When done, release the balloon air and put it on the designated shelf.
Staff notes:
- Need to make sure to test the Balloon Pumper before you take it to the professor.
- Video of the experiment: https://www.youtube.com/watch?v=hDTPvIKw9z8
Last updated on September 30, 2025
