Notebook Charts, Particle Set of 30 Placement Sized Charts 16 X 11inch, ncludinchg more about neutrinchos and a section on Unsolved Mysteries inchcludinchg dark matter and dark energy
Universe II Laminated Placemat Chart, The poster sized chart is good fit for bulletin boards and walls, Illustrates major stages in the evolution of the universe starting with the Big Bang, Provides a summary of modern cosmology
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