The awe-inspiring distances of the cosmos are hard to visualise, so how can we be certain we are measuring them correctly?

Activity 1: Solar System Model (30 minutes) Hands-on Activity : Students will create a model of the solar system using Styrofoam balls, paint, and string. Assign each student or group a planet to ...

The scale-model solar system was conceived by Monty Robson, co-founder and president of the observatory, and Bob Lambert, co-founder and a director of the observatory. Advertisement.