Breadcrumb
8C10.90 - Globular Clusters
![]() |
![]() |
Code Number: 8C10.90
Demo Title: Globular Clusters
Condition: Good
Principle: Radiometry, Galactic Distribution
Area of Study: Radio Astronomy
Equipment:
Overhead Projector, Petri Dish, Bubble Solution, Straws.
Procedure:
Put the Petri dish on the overhead projector. Put some bubble solution into the Petri dish and using the straw, blow some single bubbles. Observe how the bubbles will eventually arrange themselves into clumps.
References:
- Karel Vander Lugh, "Invisible" Galactic Halos", TPT, Vol. 31, #2, Feb. 1993, p. 90.
- Lawrence Rudnick, "The Stormy Life of Galaxy Clusters", Physics Today, Vol. 72, #1, Jan. 2019, p. 46.
- Martin Gardner, "The Bunch Effect", Science Tricks, p. 84.