Verify the learner can read all six solar-system body labels on the multi-button selector, has C2 'Sun is a star' and source-vs-reflector firm, knows the everyday vocabulary 'orbit', 'rocky', 'gas', 'solar system', and can produce 'a star' when asked what the Sun is; concurrently introduce the BF-05 umbrella 'solar-system body' covering Sun, planets, moons, comets, asteroids.