 We've finally reached Neptune. "Look, there's the sun! It seems so far away now. Is the sun a planet?" someone asked. |
| a) Yes, it
orbits with the other planets. |
| b) No, it is a
star. All of the planets orbit around it. It gives
the planets heat and energy. |
| c) No, it is
an asteroid. |
| d) No, it is a
comet. |