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In this activity about the solar system, learners use various light sources to examine ice with different components to understand how NASA studies planets and moons from space.

This is a classic exercise for visualizing the scale of the Solar System.

Learners build a model of the planets in the solar system. In their model, the planets are spaced in their relative distance from the Sun.

In this online interactive challenge, learners choose items to represent the Earth or solar system, then determine other items to represent the Moon, or Milky Way based on their relative size.