Red giants Animation Play

Red giants Student activity Play

Red giants and white dwarves Student activity Play

Red giants and white dwarves Whiteboard exercise Play

Relationship between the period of revolution and the orbital radius Illustration Play

Resolution of optical devices Student activity Play

Resolution of optical devices Animation Play

Rotations Whiteboard exercise Play

Rotations Student activity Play

Satellites Class activity Play

Seeing other bodies in space Student activity Play

Shooting Animation Play

Shooting Simulation Play

Shooting gallery Game Play

Shooting stars Animation Play

Shooting stars Animation Play

Shooting with a catapult – activity Whiteboard exercise Play

Shooting with a catapult – activity Student activity Play

Spearman's rank correlation coefficient Student activity Play

Spectral classes Student activity Play

Spectral classes Animation Play

Spectral classes Chart Play

Star clusters Student activity Play

Star clusters Whiteboard exercise Play

Star polygons Animation Play