The study of Astronomy (Space) is exciting at all ages including the elementary ages. The first concept that teachers should teach is the plantes in our solar system along with planet order. The Sun (A Star) 1.Mercury 2. Venus 3. Earth 4. Mars 5. Jupiter 6. Saturn 7. Uranus 8. Neptune 9. Pluto (dwarf planet) Students should also be aware of core concepts regarding space exploration ranging from rockets, satellites, space stations, and orbit.