Topics

Explore interactive exhibits organized by subject area.

Cosmic Playground is in active beta. Topic pages include demos at mixed readiness levels.

Earth & Sky

Moon phases, seasons, and the view from Earth.

Kepler’s laws, retrograde motion, and gravitational dynamics.

Blackbody radiation, the electromagnetic spectrum, and spectral analysis.

Resolution, diffraction, and optical design.

Statistics, measurement, and scientific reasoning.

Stellar structure, evolution, and the physics of stellar interiors.

Galaxy types, rotation, and large-scale structure.

Expansion, dark energy, and the cosmic microwave background.